Image is uploaded. Need to set as background. Cleanup.
Uploading image and setting it as the bg.
Image is not caching. Background is uploading and replacing current.
Adding inconsequential query string so ff reloads the image as well.
Merge branch 'fixsegfault'

Conflicts:
	src/Lucian/BgImageBundle/Resources/public/js/bgimage.js
Grabbing all the js changes.