add ipfs release task

tasks/ipfs.coffee

@@ -0,0 +1,19 @@
+module.exports = (grunt) ->
+  require('shelljs/global')
+
+  grunt.registerTask "ipfs", "distribute into ipfs", (env_)  =>
+    env = env_ || "development"
+
+    ipfs_path = "~/go/bin"
+    build_dir = "dist/dapp/"
+    cmd = "#{ipfs_path}/ipfs add -r #{build_dir}"
+
+    grunt.log.writeln("=== adding #{cmd} to ipfs")
+    result = exec(cmd)
+
+    rows = result.output.split("\n")
+    dir_row = rows[rows.length - 2]
+    dir_hash = dir_row.split(" ")[1]
+
+    grunt.log.writeln("=== DApp available at http://localhost:8080/ipfs/#{dir_hash}/")
+