diff --git a/lib/slack.js b/lib/slack.js
index b0f8884..5d3ad37 100644
--- a/lib/slack.js
+++ b/lib/slack.js
@@ -12,7 +12,9 @@ module.exports.sendMessage = async (robot, slackClient, room, message) => {
   if (slackClient != null) {
     const channel = slackClient.dataStore.getChannelByName(room)
     try {
-      await slackClient.sendMessage(message, channel.id)
+      if (!process.env.DRY_RUN) {
+        await slackClient.sendMessage(message, channel.id)
+      }
     } catch(err) {
       robot.log.error(`Failed to send Slack message to ${room} channel`)
     }
diff --git a/package-lock.json b/package-lock.json
index 52f2d2d..addddfd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -235,12 +235,14 @@
     "acorn": {
       "version": "5.3.0",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.3.0.tgz",
-      "integrity": "sha512-Yej+zOJ1Dm/IMZzzj78OntP/r3zHEaKcyNoU2lAaxPtrseM6rF0xwqoz5Q5ysAiED9hTjI2hgtvLXitlCN1/Ug=="
+      "integrity": "sha512-Yej+zOJ1Dm/IMZzzj78OntP/r3zHEaKcyNoU2lAaxPtrseM6rF0xwqoz5Q5ysAiED9hTjI2hgtvLXitlCN1/Ug==",
+      "dev": true
     },
     "acorn-globals": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-4.1.0.tgz",
       "integrity": "sha512-KjZwU26uG3u6eZcfGbTULzFcsoz6pegNKtHPksZPOUsiKo5bUmiBPa38FuHZ/Eun+XYh/JCCkS9AS3Lu4McQOQ==",
+      "dev": true,
       "requires": {
         "acorn": "5.3.0"
       }
@@ -436,7 +438,8 @@
     "async-limiter": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
+      "dev": true
     },
     "asynckit": {
       "version": "0.4.0",
@@ -783,7 +786,8 @@
     "browser-process-hrtime": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/browser-process-hrtime/-/browser-process-hrtime-0.1.2.tgz",
-      "integrity": "sha1-Ql1opY00R/AqBKqJQYf86K+Le44="
+      "integrity": "sha1-Ql1opY00R/AqBKqJQYf86K+Le44=",
+      "dev": true
     },
     "browser-resolve": {
       "version": "1.11.2",
@@ -1330,52 +1334,15 @@
         "esutils": "2.0.2"
       }
     },
-    "dom-serializer": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.1.0.tgz",
-      "integrity": "sha1-BzxpdUbOB4DOI75KKOKT5AvDDII=",
-      "requires": {
-        "domelementtype": "1.1.3",
-        "entities": "1.1.1"
-      },
-      "dependencies": {
-        "domelementtype": {
-          "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
-          "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs="
-        }
-      }
-    },
-    "domelementtype": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.3.0.tgz",
-      "integrity": "sha1-sXrtguirWeUt2cGbF1bg/BhyBMI="
-    },
     "domexception": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/domexception/-/domexception-1.0.1.tgz",
       "integrity": "sha512-raigMkn7CJNNo6Ihro1fzG7wr3fHuYVytzquZKX5n0yizGsTcYgzdIUwj1X9pK0VvjeihV+XiclP+DjwbsSKug==",
+      "dev": true,
       "requires": {
         "webidl-conversions": "4.0.2"
       }
     },
-    "domhandler": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-2.4.1.tgz",
-      "integrity": "sha1-iS5HAAqZvlW783dP/qBWHYh5wlk=",
-      "requires": {
-        "domelementtype": "1.3.0"
-      }
-    },
-    "domutils": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/domutils/-/domutils-1.6.2.tgz",
-      "integrity": "sha1-GVjMC0yUJuntNn+xyOhUiRsPo/8=",
-      "requires": {
-        "dom-serializer": "0.1.0",
-        "domelementtype": "1.3.0"
-      }
-    },
     "dotenv": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-4.0.0.tgz",
@@ -1423,11 +1390,6 @@
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.1.tgz",
       "integrity": "sha1-eePVhlU0aQn+bw9Fpd5oEDspTSA="
     },
-    "entities": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/entities/-/entities-1.1.1.tgz",
-      "integrity": "sha1-blwtClYhtdra7O+AuQ7ftc13cvA="
-    },
     "errno": {
       "version": "0.1.6",
       "resolved": "https://registry.npmjs.org/errno/-/errno-0.1.6.tgz",
@@ -2227,6 +2189,795 @@
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
+    "fsevents": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.1.3.tgz",
+      "integrity": "sha512-WIr7iDkdmdbxu/Gh6eKEZJL6KPE74/5MEsf2whTOFNxbIoIixogroLdKYqB6FDav4Wavh/lZdzzd3b2KxIXC5Q==",
+      "optional": true,
+      "requires": {
+        "nan": "2.8.0",
+        "node-pre-gyp": "0.6.39"
+      },
+      "dependencies": {
+        "abbrev": {
+          "version": "1.1.0",
+          "bundled": true,
+          "optional": true
+        },
+        "ajv": {
+          "version": "4.11.8",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "co": "4.6.0",
+            "json-stable-stringify": "1.0.1"
+          }
+        },
+        "ansi-regex": {
+          "version": "2.1.1",
+          "bundled": true
+        },
+        "aproba": {
+          "version": "1.1.1",
+          "bundled": true,
+          "optional": true
+        },
+        "are-we-there-yet": {
+          "version": "1.1.4",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "delegates": "1.0.0",
+            "readable-stream": "2.2.9"
+          }
+        },
+        "asn1": {
+          "version": "0.2.3",
+          "bundled": true,
+          "optional": true
+        },
+        "assert-plus": {
+          "version": "0.2.0",
+          "bundled": true,
+          "optional": true
+        },
+        "asynckit": {
+          "version": "0.4.0",
+          "bundled": true,
+          "optional": true
+        },
+        "aws-sign2": {
+          "version": "0.6.0",
+          "bundled": true,
+          "optional": true
+        },
+        "aws4": {
+          "version": "1.6.0",
+          "bundled": true,
+          "optional": true
+        },
+        "balanced-match": {
+          "version": "0.4.2",
+          "bundled": true
+        },
+        "bcrypt-pbkdf": {
+          "version": "1.0.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "tweetnacl": "0.14.5"
+          }
+        },
+        "block-stream": {
+          "version": "0.0.9",
+          "bundled": true,
+          "requires": {
+            "inherits": "2.0.3"
+          }
+        },
+        "boom": {
+          "version": "2.10.1",
+          "bundled": true,
+          "requires": {
+            "hoek": "2.16.3"
+          }
+        },
+        "brace-expansion": {
+          "version": "1.1.7",
+          "bundled": true,
+          "requires": {
+            "balanced-match": "0.4.2",
+            "concat-map": "0.0.1"
+          }
+        },
+        "buffer-shims": {
+          "version": "1.0.0",
+          "bundled": true
+        },
+        "caseless": {
+          "version": "0.12.0",
+          "bundled": true,
+          "optional": true
+        },
+        "co": {
+          "version": "4.6.0",
+          "bundled": true,
+          "optional": true
+        },
+        "code-point-at": {
+          "version": "1.1.0",
+          "bundled": true
+        },
+        "combined-stream": {
+          "version": "1.0.5",
+          "bundled": true,
+          "requires": {
+            "delayed-stream": "1.0.0"
+          }
+        },
+        "concat-map": {
+          "version": "0.0.1",
+          "bundled": true
+        },
+        "console-control-strings": {
+          "version": "1.1.0",
+          "bundled": true
+        },
+        "core-util-is": {
+          "version": "1.0.2",
+          "bundled": true
+        },
+        "cryptiles": {
+          "version": "2.0.5",
+          "bundled": true,
+          "requires": {
+            "boom": "2.10.1"
+          }
+        },
+        "dashdash": {
+          "version": "1.14.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "assert-plus": "1.0.0"
+          },
+          "dependencies": {
+            "assert-plus": {
+              "version": "1.0.0",
+              "bundled": true,
+              "optional": true
+            }
+          }
+        },
+        "debug": {
+          "version": "2.6.8",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "deep-extend": {
+          "version": "0.4.2",
+          "bundled": true,
+          "optional": true
+        },
+        "delayed-stream": {
+          "version": "1.0.0",
+          "bundled": true
+        },
+        "delegates": {
+          "version": "1.0.0",
+          "bundled": true,
+          "optional": true
+        },
+        "detect-libc": {
+          "version": "1.0.2",
+          "bundled": true,
+          "optional": true
+        },
+        "ecc-jsbn": {
+          "version": "0.1.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "jsbn": "0.1.1"
+          }
+        },
+        "extend": {
+          "version": "3.0.1",
+          "bundled": true,
+          "optional": true
+        },
+        "extsprintf": {
+          "version": "1.0.2",
+          "bundled": true
+        },
+        "forever-agent": {
+          "version": "0.6.1",
+          "bundled": true,
+          "optional": true
+        },
+        "form-data": {
+          "version": "2.1.4",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "asynckit": "0.4.0",
+            "combined-stream": "1.0.5",
+            "mime-types": "2.1.15"
+          }
+        },
+        "fs.realpath": {
+          "version": "1.0.0",
+          "bundled": true
+        },
+        "fstream": {
+          "version": "1.0.11",
+          "bundled": true,
+          "requires": {
+            "graceful-fs": "4.1.11",
+            "inherits": "2.0.3",
+            "mkdirp": "0.5.1",
+            "rimraf": "2.6.1"
+          }
+        },
+        "fstream-ignore": {
+          "version": "1.0.5",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "fstream": "1.0.11",
+            "inherits": "2.0.3",
+            "minimatch": "3.0.4"
+          }
+        },
+        "gauge": {
+          "version": "2.7.4",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "aproba": "1.1.1",
+            "console-control-strings": "1.1.0",
+            "has-unicode": "2.0.1",
+            "object-assign": "4.1.1",
+            "signal-exit": "3.0.2",
+            "string-width": "1.0.2",
+            "strip-ansi": "3.0.1",
+            "wide-align": "1.1.2"
+          }
+        },
+        "getpass": {
+          "version": "0.1.7",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "assert-plus": "1.0.0"
+          },
+          "dependencies": {
+            "assert-plus": {
+              "version": "1.0.0",
+              "bundled": true,
+              "optional": true
+            }
+          }
+        },
+        "glob": {
+          "version": "7.1.2",
+          "bundled": true,
+          "requires": {
+            "fs.realpath": "1.0.0",
+            "inflight": "1.0.6",
+            "inherits": "2.0.3",
+            "minimatch": "3.0.4",
+            "once": "1.4.0",
+            "path-is-absolute": "1.0.1"
+          }
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+        "graceful-fs": {
+          "version": "4.1.11",
+          "bundled": true
+        },
+        "har-schema": {
+          "version": "1.0.5",
+          "bundled": true,
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+          "version": "4.2.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "ajv": "4.11.8",
+            "har-schema": "1.0.5"
+          }
+        },
+        "has-unicode": {
+          "version": "2.0.1",
+          "bundled": true,
+          "optional": true
+        },
+        "hawk": {
+          "version": "3.1.3",
+          "bundled": true,
+          "requires": {
+            "boom": "2.10.1",
+            "cryptiles": "2.0.5",
+            "hoek": "2.16.3",
+            "sntp": "1.0.9"
+          }
+        },
+        "hoek": {
+          "version": "2.16.3",
+          "bundled": true
+        },
+        "http-signature": {
+          "version": "1.1.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "assert-plus": "0.2.0",
+            "jsprim": "1.4.0",
+            "sshpk": "1.13.0"
+          }
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+          "version": "1.0.6",
+          "bundled": true,
+          "requires": {
+            "once": "1.4.0",
+            "wrappy": "1.0.2"
+          }
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+        "inherits": {
+          "version": "2.0.3",
+          "bundled": true
+        },
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+          "version": "1.3.4",
+          "bundled": true,
+          "optional": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "bundled": true,
+          "requires": {
+            "number-is-nan": "1.0.1"
+          }
+        },
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+          "version": "1.0.0",
+          "bundled": true,
+          "optional": true
+        },
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+          "version": "1.0.0",
+          "bundled": true
+        },
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+          "version": "0.1.2",
+          "bundled": true,
+          "optional": true
+        },
+        "jodid25519": {
+          "version": "1.0.2",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "jsbn": "0.1.1"
+          }
+        },
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+          "version": "0.1.1",
+          "bundled": true,
+          "optional": true
+        },
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+          "version": "0.2.3",
+          "bundled": true,
+          "optional": true
+        },
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+          "version": "1.0.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "jsonify": "0.0.0"
+          }
+        },
+        "json-stringify-safe": {
+          "version": "5.0.1",
+          "bundled": true,
+          "optional": true
+        },
+        "jsonify": {
+          "version": "0.0.0",
+          "bundled": true,
+          "optional": true
+        },
+        "jsprim": {
+          "version": "1.4.0",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "assert-plus": "1.0.0",
+            "extsprintf": "1.0.2",
+            "json-schema": "0.2.3",
+            "verror": "1.3.6"
+          },
+          "dependencies": {
+            "assert-plus": {
+              "version": "1.0.0",
+              "bundled": true,
+              "optional": true
+            }
+          }
+        },
+        "mime-db": {
+          "version": "1.27.0",
+          "bundled": true
+        },
+        "mime-types": {
+          "version": "2.1.15",
+          "bundled": true,
+          "requires": {
+            "mime-db": "1.27.0"
+          }
+        },
+        "minimatch": {
+          "version": "3.0.4",
+          "bundled": true,
+          "requires": {
+            "brace-expansion": "1.1.7"
+          }
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+        },
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+          "version": "0.5.1",
+          "bundled": true,
+          "requires": {
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+          }
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+          "bundled": true,
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+        },
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+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "detect-libc": "1.0.2",
+            "hawk": "3.1.3",
+            "mkdirp": "0.5.1",
+            "nopt": "4.0.1",
+            "npmlog": "4.1.0",
+            "rc": "1.2.1",
+            "request": "2.81.0",
+            "rimraf": "2.6.1",
+            "semver": "5.3.0",
+            "tar": "2.2.1",
+            "tar-pack": "3.4.0"
+          }
+        },
+        "nopt": {
+          "version": "4.0.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "abbrev": "1.1.0",
+            "osenv": "0.1.4"
+          }
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+          "version": "4.1.0",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "are-we-there-yet": "1.1.4",
+            "console-control-strings": "1.1.0",
+            "gauge": "2.7.4",
+            "set-blocking": "2.0.0"
+          }
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+        "number-is-nan": {
+          "version": "1.0.1",
+          "bundled": true
+        },
+        "oauth-sign": {
+          "version": "0.8.2",
+          "bundled": true,
+          "optional": true
+        },
+        "object-assign": {
+          "version": "4.1.1",
+          "bundled": true,
+          "optional": true
+        },
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+          "version": "1.4.0",
+          "bundled": true,
+          "requires": {
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+          }
+        },
+        "os-homedir": {
+          "version": "1.0.2",
+          "bundled": true,
+          "optional": true
+        },
+        "os-tmpdir": {
+          "version": "1.0.2",
+          "bundled": true,
+          "optional": true
+        },
+        "osenv": {
+          "version": "0.1.4",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "os-homedir": "1.0.2",
+            "os-tmpdir": "1.0.2"
+          }
+        },
+        "path-is-absolute": {
+          "version": "1.0.1",
+          "bundled": true
+        },
+        "performance-now": {
+          "version": "0.2.0",
+          "bundled": true,
+          "optional": true
+        },
+        "process-nextick-args": {
+          "version": "1.0.7",
+          "bundled": true
+        },
+        "punycode": {
+          "version": "1.4.1",
+          "bundled": true,
+          "optional": true
+        },
+        "qs": {
+          "version": "6.4.0",
+          "bundled": true,
+          "optional": true
+        },
+        "rc": {
+          "version": "1.2.1",
+          "bundled": true,
+          "optional": true,
+          "requires": {
+            "deep-extend": "0.4.2",
+            "ini": "1.3.4",
+            "minimist": "1.2.0",
+            "strip-json-comments": "2.0.1"
+          },
+          "dependencies": {
+            "minimist": {
+              "version": "1.2.0",
+              "bundled": true,
+              "optional": true
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-        "follow-redirects": {
-          "version": "0.0.7",
-          "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-0.0.7.tgz",
-          "integrity": "sha1-NLkLqyqRGqNHVx2pDyK9NuzYqRk=",
-          "requires": {
-            "debug": "2.6.9",
-            "stream-consume": "0.1.0"
-          }
-        },
-        "github": {
-          "version": "10.1.0",
-          "resolved": "https://registry.npmjs.org/github/-/github-10.1.0.tgz",
-          "integrity": "sha512-9id0pjUTIkmOrcGcIgLhpZZjIsXUTRzDpQUR5hqvtIwPC93Eq6/4DfWc8iqp0/E73lr7zp38+5TOddcPvuaDKw==",
-          "requires": {
-            "follow-redirects": "0.0.7",
-            "https-proxy-agent": "1.0.0",
-            "mime": "1.4.1",
-            "netrc": "0.1.4"
-          }
-        },
-        "github-webhook-handler": {
-          "version": "github:rvagg/github-webhook-handler#7cfcb5b724a7735f132778cf15245cac8547ff60",
-          "requires": {
-            "bl": "1.1.2",
-            "buffer-equal-constant-time": "1.0.1"
-          }
-        },
-        "https-proxy-agent": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-1.0.0.tgz",
-          "integrity": "sha1-NffabEjOTdv6JkiRrFk+5f+GceY=",
-          "requires": {
-            "agent-base": "2.1.1",
-            "debug": "2.6.9",
-            "extend": "3.0.1"
-          }
-        },
-        "probot": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/probot/-/probot-2.0.0.tgz",
-          "integrity": "sha512-F6pKZq+SczjNLFI6p2KroqJrIx2pzwvHqDFRjQScLpb7Nt1UvASMWGcUdUf+Spnx+K1gkpW4RzlQEQD9MhvYow==",
-          "requires": {
-            "bottleneck": "1.16.0",
-            "bunyan": "1.8.12",
-            "bunyan-format": "0.2.1",
-            "bunyan-sentry-stream": "1.2.1",
-            "cache-manager": "2.6.0",
-            "commander": "2.13.0",
-            "dotenv": "4.0.0",
-            "express": "4.16.2",
-            "github": "10.1.0",
-            "github-app": "3.2.0",
-            "github-webhook-handler": "github:rvagg/github-webhook-handler#7cfcb5b724a7735f132778cf15245cac8547ff60",
-            "js-yaml": "3.10.0",
-            "pkg-conf": "2.1.0",
-            "promise-events": "0.1.4",
-            "raven": "2.3.0",
-            "resolve": "1.5.0",
-            "semver": "5.5.0"
-          }
-        },
-        "probot-attachments": {
-          "version": "github:probot/attachments#bfeb5d0e9def50c5cd69cbbaf1db1687b38cc5d2"
-        }
-      }
-    },
-    "unfurl.js": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/unfurl.js/-/unfurl.js-1.1.6.tgz",
-      "integrity": "sha1-L2Ycvov50xtvbsIv4eGnFKJFxN8=",
-      "requires": {
-        "debug": "2.6.9",
-        "htmlparser2": "3.9.2",
-        "lodash": "4.17.4",
-        "pify": "2.3.0",
-        "request": "2.83.0"
-      },
-      "dependencies": {
-        "pify": {
-          "version": "2.3.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
-        }
-      }
-    },
     "uniq": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz",
@@ -7043,6 +7582,7 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.1.tgz",
       "integrity": "sha1-gqwr/2PZUOqeMYmlimViX+3xkEU=",
+      "dev": true,
       "requires": {
         "browser-process-hrtime": "0.1.2"
       }
@@ -7096,6 +7636,7 @@
       "version": "6.4.0",
       "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.4.0.tgz",
       "integrity": "sha512-Z0CVh/YE217Foyb488eo+iBv+r7eAQ0wSTyApi9n06jhcA3z6Nidg/EGvl0UFkg7kMdKxfBzzr+o9JF+cevgMg==",
+      "dev": true,
       "requires": {
         "lodash.sortby": "4.7.0",
         "tr46": "1.0.1",
@@ -7141,12 +7682,6 @@
         }
       }
     },
-    "wip-bot": {
-      "version": "github:gr2m/wip-bot#bc66a0892bae2448f58c4224d6c4909e6abf8d76",
-      "requires": {
-        "probot": "5.0.0"
-      }
-    },
     "wordwrap": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
@@ -7233,7 +7768,8 @@
     "xml-name-validator": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
-      "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw=="
+      "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==",
+      "dev": true
     },
     "xtend": {
       "version": "2.1.2",
diff --git a/package.json b/package.json
index ed8206b..aa5f328 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
     "probot": "^5.0.0",
     "probot-config": "^0.1.0",
     "probot-gpg-status": "^0.5.4",
+    "probot-scheduler": "^1.0.3",
     "probot-slack-status": "^0.2.2",
     "unfurl": "github:probot/unfurl",
     "wip-bot": "github:gr2m/wip-bot"
diff --git a/scripts/assign-approved-pr-to-test.js b/scripts/assign-approved-pr-to-test.js
index 36da82b..e8041d0 100644
--- a/scripts/assign-approved-pr-to-test.js
+++ b/scripts/assign-approved-pr-to-test.js
@@ -4,7 +4,8 @@
 //
 // Dependencies:
 //   github: "^13.1.0"
-//   probot-config "^0.1.0"
+//   probot-config: "^0.1.0"
+//   probot-scheduler: "^1.0.3"
 //   probot-slack-status: "^0.2.2"
 //
 // Author:
@@ -12,6 +13,7 @@
 
 const getConfig = require('probot-config')
 const defaultConfig = require('../lib/config')
+const createScheduler = require('probot-scheduler')
 const Slack = require('probot-slack-status')
 
 let slackClient = null
@@ -23,26 +25,84 @@ module.exports = function(robot) {
     slackClient = slack
   })
   
-  robot.on('pull_request_review.submitted', context => assignPullRequestToTest(context, robot))
-  robot.on('pull_request_review.edited', context => assignPullRequestToTest(context, robot))
+  createScheduler(robot, { interval: 10 * 60 * 1000 })
+  robot.on('schedule.repository', context => checkOpenPullRequests(robot, context))
 }
 
-async function getReviewApprovalState(github, payload) {
-  const ownerName = payload.repository.owner.login
-  const repoName = payload.repository.name
-  const prNumber = payload.pull_request.number
+async function getReviewApprovalState(github, robot, repo, pullRequest) {
+  const ownerName = repo.owner.login
+  const repoName = repo.name
+  const prNumber = pullRequest.number
+  const threshold = 2
   
-  const ghreviews = await github.pullRequests.getReviews({owner: ownerName, repo: repoName, number: prNumber})
-  const approvedReviews = ghreviews.data.filter(review => review.state === 'APPROVED')
-  if (approvedReviews.length >= 2) {
-    const reviewsWithChangesRequested = ghreviews.data.filter(review => review.state === 'CHANGES_REQUESTED')
+  var finalReviewsMap = new Map()
+  const ghreviews = await github.paginate(
+    github.pullRequests.getReviews({owner: ownerName, repo: repoName, number: prNumber}),
+    res => res.data)
+  for (var review of ghreviews) {
+    finalReviewsMap.set(review.user.id, review.state)
+  }
+  var finalReviews = Array.from(finalReviewsMap.values())
+  if (process.env.DRY_RUN_PR_TO_TEST) {
+    robot.log.debug(finalReviews)
+  }
+
+  const approvedReviews = finalReviews.filter(reviewState => reviewState === 'APPROVED')
+  if (approvedReviews.length >= threshold) {
+    const reviewsWithChangesRequested = finalReviews.filter(reviewState => reviewState === 'CHANGES_REQUESTED')
     if (reviewsWithChangesRequested.length == 0) {
-      return 'approved'
+      var isGreen = await isStatusGreen(github, robot, repo, pullRequest)
+      if (isGreen) {
+        return 'approved'
+      }
     }
   }
   
   return 'pending'
 }
+  
+async function isStatusGreen(github, robot, repo, pullRequest) {
+  const ownerName = repo.owner.login
+  const repoName = repo.name
+
+  // Accumulate all the statuses by chronological order and check if we have a green light
+  var finalStatesMap = new Map()
+  const ghstatuses = await github.paginate(
+    github.repos.getStatuses({owner: ownerName, repo: repoName, ref: pullRequest.head.sha}),
+    res => res.data)
+  var sortedStatuses = Array.from(ghstatuses).sort((a, b) => {
+    if (a.updated_at < b.updated_at) {
+      return -1
+    }
+    if (a.updated_at > b.updated_at) {
+      return 1
+    }
+    
+    // dates must be equal
+    return 0
+  })
+  for (var status of sortedStatuses) {
+    finalStatesMap.set(status.context, status.state)
+  }
+  var finalStates = Array.from(finalStatesMap.values())
+  const statusStates = finalStates.filter(state => state === 'success')
+
+  if (process.env.DRY_RUN_PR_TO_TEST) {
+    robot.log.debug(finalStates)
+  }
+  
+  return statusStates.length == finalStates.length
+}
+
+async function getProjectFromName(github, ownerName, repoName, projectBoardName) {
+  ghprojects = await github.projects.getRepoProjects({
+    owner: ownerName,
+    repo: repoName,
+    state: "open"
+  })
+  
+  return ghprojects.data.find(p => p.name === projectBoardName)
+}
 
 async function getProjectCardForPullRequest(github, robot, columnId, pullRequestUrl) {
   const ghcards = await github.projects.getProjectCards({column_id: columnId})
@@ -51,51 +111,31 @@ async function getProjectCardForPullRequest(github, robot, columnId, pullRequest
   return ghcard
 }
 
-async function assignPullRequestToTest(context, robot) {
-  // Make sure we don't listen to our own messages
-  if (context.isBot) { return }
-  
-  const payload = context.payload
+async function checkOpenPullRequests(robot, context) {
   const github = context.github
+  const repo = context.payload.repository
+  const ownerName = repo.owner.login
+  const repoName = repo.name
+  
   //const config = await getConfig(context, 'github-bot.yml', defaultConfig(robot, '.github/github-bot.yml'))
   const config = defaultConfig(robot, '.github/github-bot.yml')
-  const ownerName = payload.repository.owner.login
-  const repoName = payload.repository.name
-  const prNumber = payload.pull_request.number
+  const projectBoardConfig = config['project-board']
   
-  if (!config['project-board']) {
-    return;
+  if (!projectBoardConfig) {
+    return
   }
   
-  robot.log(`assignPullRequestToTest - Handling Pull Request #${prNumber} on repo ${ownerName}/${repoName}`)
-  
-  state = getReviewApprovalState(github, payload)
-  
-  const reviewColumnName = config['project-board']['review-column-name']
-  const testColumnName = config['project-board']['test-column-name']
-  if (state === 'approved') {
-    srcColumnName = reviewColumnName
-    dstColumnName = testColumnName
-  } else {
-    srcColumnName = testColumnName
-    dstColumnName = reviewColumnName
-  }
+  const reviewColumnName = projectBoardConfig['review-column-name']
+  const testColumnName = projectBoardConfig['test-column-name']
   
   // Fetch repo projects
   // TODO: The repo project and project column info should be cached
   // in order to improve performance and reduce roundtrips
   try {
-    ghprojects = await github.projects.getRepoProjects({
-      owner: ownerName,
-      repo: repoName,
-      state: "open"
-    })
-    
     // Find "Pipeline for QA" project
-    const projectBoardName = config['project-board'].name
-    const project = ghprojects.data.find(p => p.name === projectBoardName)
+    project = await getProjectFromName(github, ownerName, repoName, projectBoardConfig.name)
     if (!project) {
-      robot.log.error(`Couldn't find project ${projectBoardName} in repo ${ownerName}/${repoName}`)
+      robot.log.error(`Couldn't find project ${projectBoardConfig.name} in repo ${ownerName}/${repoName}`)
       return
     }
     
@@ -104,69 +144,125 @@ async function assignPullRequestToTest(context, robot) {
     // Fetch column IDs
     try {
       ghcolumns = await github.projects.getProjectColumns({ project_id: project.id })  
-      
-      const srcColumn = ghcolumns.data.find(c => c.name === srcColumnName)
-      if (!srcColumn) {
-        robot.log.error(`Couldn't find ${srcColumnName} column in project ${project.name}`)
-        return
-      }
-      
-      const dstColumn = ghcolumns.data.find(c => c.name === dstColumnName)
-      if (!dstColumn) {
-        robot.log.error(`Couldn't find ${dstColumnName} column in project ${project.name}`)
-        return
-      }
-      
-      robot.log.debug(`Fetched ${srcColumn.name} (${srcColumn.id}), ${dstColumn.name} (${dstColumn.id}) columns`)
-      
-      // Move PR card to the destination column
-      let ghcard = null
-      try {
-        ghcard = await getProjectCardForPullRequest(github, robot, srcColumn.id, payload.pull_request.issue_url)
-      } catch (err) {
-        robot.log.error(`Failed to retrieve project card for the PR, aborting: ${err}`, srcColumn.id, payload.pull_request.issue_url)
-        return
-      }
-      
-      // Send message to Slack
-      const slackHelper = require('../lib/slack')
-
-      if (ghcard) {
-        try {
-          robot.log.trace(`Found card in source column ${ghcard.id}`, srcColumn.id)
-          
-          // Found in the source column, let's move it to the destination column
-          await github.projects.moveProjectCard({id: ghcard.id, position: 'bottom', column_id: dstColumn.id})
-          
-          robot.log.debug(`Moved card: ${ghcard.url}`, ghcard.id)
-        } catch (err) {
-          robot.log.error(`Couldn't move project card for the PR: ${err}`, srcColumn.id, dstColumn.id, payload.pull_request.id)
-          slackHelper.sendMessage(robot, slackClient, config.slack.notification.room, `I couldn't move the PR to ${dstColumnName} in ${projectBoardName} project :confused:\n${payload.pull_request.html_url}`)
-          return
-        }
-      } else {
-        try {
-          robot.log.debug(`Didn't find card in source column`, srcColumn.id)
-          
-          // It wasn't in source column, let's create a new card for it in the destination column
-          ghcard = await github.projects.createProjectCard({
-            column_id: dstColumn.id,
-            content_type: 'PullRequest',
-            content_id: payload.pull_request.id
-          })
-          
-          robot.log.debug(`Created card: ${ghcard.data.url}`, ghcard.data.id)
-        } catch (err) {
-          robot.log.error(`Couldn't create project card for the PR: ${err}`, dstColumn.id, payload.pull_request.id)
-          return
-        }
-      }
-      
-      slackHelper.sendMessage(robot, slackClient, config.slack.notification.room, `Assigned PR to ${dstColumnName} in ${projectBoardName} project\n${payload.pull_request.html_url}`)
     } catch (err) {
       robot.log.error(`Couldn't fetch the github columns for project: ${err}`, ownerName, repoName, project.id)
+      return
+    }
+    
+    const reviewColumn = ghcolumns.data.find(c => c.name === reviewColumnName)
+    if (!reviewColumn) {
+      robot.log.error(`Couldn't find ${reviewColumnName} column in project ${project.name}`)
+      return
+    }
+    
+    const testColumn = ghcolumns.data.find(c => c.name === testColumnName)
+    if (!testColumn) {
+      robot.log.error(`Couldn't find ${testColumnName} column in project ${project.name}`)
+      return
+    }
+    
+    robot.log.debug(`Fetched ${reviewColumn.name} (${reviewColumn.id}), ${testColumn.name} (${testColumn.id}) columns`)
+    
+    // Gather all open PRs in this repo
+    const allPullRequests = await github.paginate(
+      github.pullRequests.getAll({owner: ownerName, repo: repoName}),
+      res => res.data
+    )
+    
+    // And make sure they are assigned to the correct prject column
+    for (var pullRequest of allPullRequests) {
+      await assignPullRequestToCorrectColumn(github, robot, repo, pullRequest, reviewColumn, testColumn, config.slack.notification.room)
     }
   } catch (err) {
     robot.log.error(`Couldn't fetch the github projects for repo: ${err}`, ownerName, repoName)
   }
 }
+
+async function assignPullRequestToCorrectColumn(github, robot, repo, pullRequest, reviewColumn, testColumn, room) {
+  const ownerName = repo.owner.login
+  const repoName = repo.name
+  const prNumber = pullRequest.number
+  
+  try {
+    state = await getReviewApprovalState(github, robot, repo, pullRequest)
+  } catch (err) {
+    robot.log.error(`Couldn't calculate the PR approval state: ${err}`, ownerName, repoName, prNumber)
+  }
+  
+  if (state === 'approved') {
+    srcColumn = reviewColumn
+    dstColumn = testColumn
+  } else {
+    srcColumn = testColumn
+    dstColumn = reviewColumn
+  }
+  
+  robot.log.debug(`assignPullRequestToTest - Handling Pull Request #${prNumber} on repo ${ownerName}/${repoName}. PR should be in ${dstColumn.name} column`)
+  
+  // Look for PR card in source column
+  let ghcard = null
+  try {
+    ghcard = await getProjectCardForPullRequest(github, robot, srcColumn.id, pullRequest.issue_url)
+  } catch (err) {
+    robot.log.error(`Failed to retrieve project card for the PR, aborting: ${err}`, srcColumn.id, pullRequest.issue_url)
+    return
+  }
+  
+  if (ghcard) {
+    // Move PR card to the destination column
+    try {
+      robot.log.trace(`Found card in source column`, ghcard.id, srcColumn.id)
+      
+      if (!process.env.DRY_RUN && !process.env.DRY_RUN_PR_TO_TEST) {
+        // Found in the source column, let's move it to the destination column
+        await github.projects.moveProjectCard({id: ghcard.id, position: 'bottom', column_id: dstColumn.id})
+      }
+      
+      robot.log.info(`Moved card ${ghcard.id} to ${dstColumn.name} for PR #${prNumber}`)
+    } catch (err) {
+      const slackHelper = require('../lib/slack')
+      
+      robot.log.error(`Couldn't move project card for the PR: ${err}`, srcColumn.id, dstColumn.id, pullRequest.id)
+      if (!process.env.DRY_RUN_PR_TO_TEST) {
+        slackHelper.sendMessage(robot, slackClient, room, `I couldn't move the PR to ${dstColumnName} column :confused:\n${pullRequest.html_url}`)
+      }
+      return
+    }
+  } else {
+    try {
+      robot.log.debug(`Didn't find card in source column`, srcColumn.id)
+      
+      // Look for PR card in destination column
+      try {
+        ghcard = await getProjectCardForPullRequest(github, robot, dstColumn.id, pullRequest.issue_url)
+        if (ghcard) {
+          robot.log.trace(`Found card in target column, ignoring`, ghcard.id, dstColumn.id)
+          return
+        }
+      } catch (err) {
+        robot.log.error(`Failed to retrieve project card for the PR, aborting: ${err}`, dstColumn.id, pullRequest.issue_url)
+        return
+      }
+      
+      if (!process.env.DRY_RUN && !process.env.DRY_RUN_PR_TO_TEST) {
+        // It wasn't in either the source nor the destination columns, let's create a new card for it in the destination column
+        ghcard = await github.projects.createProjectCard({
+          column_id: dstColumn.id,
+          content_type: 'PullRequest',
+          content_id: pullRequest.id
+        })
+        
+        robot.log.info(`Created card ${ghcard.data.id} in ${dstColumn.name} for PR #${prNumber}`)
+      }
+    } catch (err) {
+      // We normally arrive here because there is already a card for the PR in another column
+      robot.log.debug(`Couldn't create project card for the PR: ${err}`, dstColumn.id, pullRequest.id)
+      return
+    }
+  }
+  
+  if (!process.env.DRY_RUN_PR_TO_TEST) {
+    const slackHelper = require('../lib/slack')
+    slackHelper.sendMessage(robot, slackClient, room, `Assigned PR to ${dstColumn.name} column\n${pullRequest.html_url}`)
+  }
+}
diff --git a/scripts/assign-new-pr-to-review.js b/scripts/assign-new-pr-to-review.js
index e6237e1..01e797b 100644
--- a/scripts/assign-new-pr-to-review.js
+++ b/scripts/assign-new-pr-to-review.js
@@ -4,7 +4,7 @@
 //
 // Dependencies:
 //   github: "^13.1.0"
-//   probot-config "^0.1.0"
+//   probot-config: "^0.1.0"
 //   probot-slack-status: "^0.2.2"
 //
 // Author:
@@ -79,27 +79,31 @@ async function assignPullRequestToReview(context, robot) {
       }
       
       robot.log.debug(`Fetched ${column.name} column (${column.id})`)
-      
-      // Create project card for the PR in the REVIEW column
-      try {
-        ghcard = await github.projects.createProjectCard({
-          column_id: column.id,
-          content_type: 'PullRequest',
-          content_id: payload.pull_request.id
-        })
-        
-        robot.log.debug(`Created card: ${ghcard.data.url}`, ghcard.data.id)
-        
-        // Send message to Slack
-        const slackHelper = require('../lib/slack')
-        slackHelper.sendMessage(robot, slackClient, config.slack.notification.room, `Assigned PR to ${reviewColumnName} in ${projectBoardName} project\n${payload.pull_request.html_url}`)
-      } catch (err) {
-        robot.log.error(`Couldn't create project card for the PR: ${err}`, column.id, payload.pull_request.id)
-      }
     } catch (err) {
       robot.log.error(`Couldn't fetch the github columns for project: ${err}`, ownerName, repoName, project.id)
+      return
     }
   } catch (err) {
     robot.log.error(`Couldn't fetch the github projects for repo: ${err}`, ownerName, repoName)
+    return
+  }
+      
+  // Create project card for the PR in the REVIEW column
+  try {
+    if (!process.env.DRY_RUN) {
+      ghcard = await github.projects.createProjectCard({
+        column_id: column.id,
+        content_type: 'PullRequest',
+        content_id: payload.pull_request.id
+      })
+    }
+    
+    robot.log.debug(`Created card: ${ghcard.data.url}`, ghcard.data.id)
+    
+    // Send message to Slack
+    const slackHelper = require('../lib/slack')
+    slackHelper.sendMessage(robot, slackClient, config.slack.notification.room, `Assigned PR to ${reviewColumnName} in ${projectBoardName} project\n${payload.pull_request.html_url}`)
+  } catch (err) {
+    robot.log.error(`Couldn't create project card for the PR: ${err}`, column.id, payload.pull_request.id)
   }
 }
diff --git a/scripts/assign-to-bounty-awaiting-for-approval.js b/scripts/assign-to-bounty-awaiting-for-approval.js
index a09e3e6..1557e44 100644
--- a/scripts/assign-to-bounty-awaiting-for-approval.js
+++ b/scripts/assign-to-bounty-awaiting-for-approval.js
@@ -4,7 +4,7 @@
 //
 // Dependencies:
 //   github: "^13.1.0"
-//   probot-config "^0.1.0"
+//   probot-config: "^0.1.0"
 //   probot-slack-status: "^0.2.2"
 //
 // Author:
@@ -80,27 +80,31 @@ async function assignIssueToBountyAwaitingForApproval(context, robot) {
       }
       
       robot.log.debug(`Fetched ${column.name} column (${column.id})`)
-      
-      // Create project card for the issue in the bounty-awaiting-approval column
-      try {
-        ghcard = await github.projects.createProjectCard({
-          column_id: column.id,
-          content_type: 'Issue',
-          content_id: payload.issue.id
-        })
-        
-        robot.log.debug(`Created card: ${ghcard.data.url}`, ghcard.data.id)
-        
-        // Send message to Slack
-        const slackHelper = require('../lib/slack')
-        slackHelper.sendMessage(robot, slackClient, config.slack.notification.room, `Assigned issue to ${approvalColumnName} in ${projectBoardName} project\n${payload.issue.html_url}`)
-      } catch (err) {
-        robot.log.error(`Couldn't create project card for the issue: ${err}`, column.id, payload.issue.id)
-      }
     } catch (err) {
       robot.log.error(`Couldn't fetch the github columns for project: ${err}`, ownerName, repoName, project.id)
+      return
     }
   } catch (err) {
     robot.log.error(`Couldn't fetch the github projects for repo: ${err}`, ownerName, repoName)
+    return
+  }
+  
+  // Create project card for the issue in the bounty-awaiting-approval column
+  try {
+    if (!process.env.DRY_RUN) {
+      ghcard = await github.projects.createProjectCard({
+        column_id: column.id,
+        content_type: 'Issue',
+        content_id: payload.issue.id
+      })
+    }
+    
+    robot.log.debug(`Created card: ${ghcard.data.url}`, ghcard.data.id)
+    
+    // Send message to Slack
+    const slackHelper = require('../lib/slack')
+    slackHelper.sendMessage(robot, slackClient, config.slack.notification.room, `Assigned issue to ${approvalColumnName} in ${projectBoardName} project\n${payload.issue.html_url}`)
+  } catch (err) {
+    robot.log.error(`Couldn't create project card for the issue: ${err}`, column.id, payload.issue.id)
   }
 }
diff --git a/scripts/greet-new-contributor.js b/scripts/greet-new-contributor.js
index 993fa64..d430499 100644
--- a/scripts/greet-new-contributor.js
+++ b/scripts/greet-new-contributor.js
@@ -4,7 +4,7 @@
 //
 // Dependencies:
 //   github: "^13.1.0"
-//   probot-config "^0.1.0"
+//   probot-config: "^0.1.0"
 //   probot-slack-status: "^0.2.2"
 //
 // Author:
@@ -59,12 +59,14 @@ async function greetNewContributor(context, robot) {
     if (userPullRequests.length === 1) {
       try {
         const welcomeMessage = config['welcome-bot'].message
-        await github.issues.createComment({
-          owner: ownerName,
-          repo: repoName,
-          number: prNumber,
-          body: welcomeMessage
-        })
+        if (!process.env.DRY_RUN) {
+          await github.issues.createComment({
+            owner: ownerName,
+            repo: repoName,
+            number: prNumber,
+            body: welcomeMessage
+          })
+        }
         
         // Send message to Slack
         const slackHelper = require('../lib/slack')