fix(build): coffeescript build was empty

Fixes #204

Author: passy

templates/common/index.html

@@ -34,7 +34,7 @@
 
     <script src="bower_components/angular/angular.js"></script>
 
-    <!-- build:js scripts/scripts.js -->
+    <!-- build:js({.tmp,app}) scripts/scripts.js -->
     <script src="scripts/app.js"></script>
     <script src="scripts/controllers/main.js"></script>
     <!-- endbuild -->