feat(app): watch integration tests for changes

Author: kingcody

app/templates/Gruntfile.js

@@ -67,7 +67,7 @@ module.exports = function (grunt) {
         tasks: ['injector:css']
       },
       mochaTest: {
-        files: ['server/**/*.spec.js'],
+        files: ['server/**/*.{spec,integration}.js'],
         tasks: ['env:test', 'mochaTest']
       },
       jsTest: {