Grunt-watch now works for plugin code too
Merge branch 'refactor-frontend-plugin-builds' into plugins-extra-static-content

* refactor-frontend-plugin-builds:
  Grunt-watch now works for plugin code too
Allow plugins to expose additional arbitrary static content
Merge branch 'plugins-extra-static-content' into javascript_unittesting_exploration

* plugins-extra-static-content:
  Allow plugins to expose additional arbitrary static content
  Grunt-watch now works for plugin code too
Build testing.min.js