add support for parcelify

see https://github.com/rotundasoftware/parcelify

Author: Bernard Greenwood

package.json

@@ -37,5 +37,6 @@
  "grunt-contrib-cssmin": "~0.12.0",
  "grunt-karma": "~0.11.0",
  "grunt-contrib-concat": "^0.5.0"
- }
+ },
+ "style" : "build/loading-bar.css"
 }