fix(npm): always include grunt-babel

Closes #1282

Author: Awk34

app/templates/_package.json

@@ -52,8 +52,8 @@
     "grunt-contrib-coffee": "^0.13.0",<% } %><% if (filters.jade) { %>
     "grunt-contrib-jade": "^0.15.0",<% } %><% if (filters.less) { %>
     "grunt-contrib-less": "^1.0.0",<% } %><% if(filters.babel) { %>
-    "karma-babel-preprocessor": "^5.2.1",
-    "grunt-babel": "~5.0.0",<% } %>
+    "karma-babel-preprocessor": "^5.2.1",<% } %>
+    "grunt-babel": "~5.0.0",
     "grunt-google-cdn": "~0.4.0",
     "grunt-jscs": "^2.0.0",
     "grunt-newer": "^1.1.1",