initial work to support mozaic view mode
Add filters on top
remove the add action from view
add documentation for mozaic, update default pager value
fix unit tests
fix image reference
frontend updates for media treeview
Merge pull request #2429 from juherpin/master

Frontend updates for media treeview
partial revert of 0f67eb74491e083b93bc7f3e3de4a3de4b9ca661
treeview, allow to show some elements initially
Merge pull request #2432 from juherpin/master

Treeview : allow to show some elements initially
remove commented lines
fix list mode with nested admin
fix filter jQuery selector for names with "."
Merge pull request #2434 from rakhnin/master

fix filter jQuery selector for names with "."
add support for mosaic mode in the modal list
fix missing references
update assets (some are now in the CoreBundle)
fix Select2 locale
Merge remote-tracking branch 'origin/master'