Introduce pages tree view
Update default context defined with SonataBlockBundle
Fix regression with container'code #320
Merge branch 'master' in 'ftr_page_tree'
Avoiding empty script/style tags
Merge pull request #322 from ronanguilloux/patch-1

Avoiding empty script/style tags
Improve tree view
Fix bug on compose
Add compose link on page preview (editor mode)
Merge pull request #323 from plouc/ftr_page_tree

Ftr page tree
tweak some view
restore original size composer boxes
Add ability to filter edited pages
Update PageManager to be able to return a DataGrid for API + Add new filters to API, 'edited' and 'root'
Return pager instead of custom array for API PostController::getPages()
[API] Add ability to filter pages by site id + List page child pages
[API] Add ability to filter pages by parent id
Add Api Site resource