Added script for showing destination of goo.gl links

src/scripts/goo_gl.coffee

@@ -0,0 +1,32 @@
+# Description:
+#   Quick description for goo.gl URLs
+#
+# Dependencies:
+#   "googleapis": "0.4.3"
+#
+# Configuration:
+#   None
+#
+# Commands:
+#   Shows the destination of any mentioned goo.gl URLs.
+#
+# Author:
+#   monokrome
+
+googleapis = require 'googleapis'
+
+module.exports = (robot) ->
+  shortener = googleapis.discover 'urlshortener', 'v1'
+
+  startListening = (err, client) ->
+    robot.hear /goo\.gl\/[\w\d]+/, (msg) ->
+      url = msg.match[0]
+
+      request = client.urlshortener.url.get
+        shortUrl: 'http://' + url
+
+      request.execute (err, response) ->
+        unless err
+          msg.send 'Shortened URL (' + url + ') is ' + response.longUrl
+
+  shortener.execute startListening