First crack at publish from circle (#3574)

* First crack at publish from circle

* s/publish/deploy

* Update snapshots

* Try installing with yarn

* Nice one

* Shhh

* Comment some things out and add a webhook

* Add proper webhook url and add back build steps

.circleci/config.yml

@@ -15,9 +15,26 @@ jobs:
             - v3-react-navigation-master
       - run: yarn # install root deps
       - run: ./scripts/test.sh # run tests
+      - setup_remote_docker
+      - deploy:
+          command: |
+            set -x
+              VER="17.03.0-ce"
+              curl -L -o /tmp/docker-$VER.tgz https://get.docker.com/builds/Linux/x86_64/docker-$VER.tgz
+              tar -xz -C /tmp -f /tmp/docker-$VER.tgz
+              mv /tmp/docker/* /usr/bin
+            
+            yarn global add exp
+            set +x
+            exp login -u "$EXPO_USERNAME" -p "$EXPO_PASSWORD"
+            set -x
+            cd examples/NavigationPlayground && yarn && exp publish --release-channel "${CIRCLE_SHA1}"
       - save_cache:
           key: v3-react-navigation-{{ .Branch }}-{{ checksum "package.json" }}
           paths:
             - ~/.cache/yarn
             - ~/react-navigation/examples/NavigationPlayground/node_modules
             - ~/react-navigation/examples/ReduxExample/node_modules
+notify:
+  webhooks:
+    - url: https://react-navigation-ci.now.sh

src/navigators/__tests__/__snapshots__/StackNavigator-test.js.snap

@@ -48,7 +48,7 @@ exports[`StackNavigator applies correct values when headerRight is present 1`] =
         pointerEvents="auto"
         style={
           Object {
-            "backgroundColor": "#E9E9EF",
+            "backgroundColor": "#EFEFF4",
             "bottom": 0,
             "left": 0,
             "opacity": 1,
@@ -81,7 +81,7 @@ exports[`StackNavigator applies correct values when headerRight is present 1`] =
       style={
         Object {
           "backgroundColor": "#F7F7F7",
-          "borderBottomColor": "rgba(0, 0, 0, .3)",
+          "borderBottomColor": "#A7A7AA",
           "borderBottomWidth": 0.5,
           "height": 64,
           "paddingBottom": 0,
@@ -233,7 +233,7 @@ exports[`StackNavigator renders successfully 1`] = `
         pointerEvents="auto"
         style={
           Object {
-            "backgroundColor": "#E9E9EF",
+            "backgroundColor": "#EFEFF4",
             "bottom": 0,
             "left": 0,
             "opacity": 1,
@@ -266,7 +266,7 @@ exports[`StackNavigator renders successfully 1`] = `
       style={
         Object {
           "backgroundColor": "#F7F7F7",
-          "borderBottomColor": "rgba(0, 0, 0, .3)",
+          "borderBottomColor": "#A7A7AA",
           "borderBottomWidth": 0.5,
           "height": 64,
           "paddingBottom": 0,