make ng-route install optionally

Author: DaftMonk

app/templates/_bower.json

@@ -10,8 +10,8 @@
     "bootstrap": "~3.1.1",
     "angular-resource": ">=1.2.*",
     "angular-cookies": ">=1.2.*",
-    "angular-sanitize": ">=1.2.*",
-    "angular-route": ">=1.2.*",
+    "angular-sanitize": ">=1.2.*",<% if(filters.ngroute) { %>
+    "angular-route": ">=1.2.*",<% } %>
     "angular-bootstrap": "~0.11.0",
     "font-awesome": ">=4.1.0",
     "lodash": "~2.4.1"<% if(filters.socketio) { %>,