Appdesk config : toolbar actions now check \config::canAddAction()
Media appdesk : add a link 'Renew media's cache' in expert mode
Add a migration : renew cache for new images URL transformations
Add a method \Log::deprecated whit an event nos.deprecated
Log::deprecated : don't log if event return false
Refactor Model_Media, deprecated all snake_case method
Refactor Model_Folder deprecated delete_from_disk and delete_public_cache
Improve cache deletion of media and folder
Attachement url return absolute url by default, take parameter for relative URL
Merge branch 'dev' of git://github.com/novius-os/core into dev