cleanup and fix page/widget modal process + prefixify "vic-" + Cleanup json process by using JsonResponse + fix widget and page process (new,edit,delete)
Merge branch '1.0' of git://github.com/Victoire/CmsBundle into 1.0

# By Paul Andrieux
# Via Paul Andrieux
* '1.0' of git://github.com/Victoire/CmsBundle:
  set inverse "setPage" + cache warmer priority and not optional option
  merge