Resolving issue https://github.com/sonata-project/sandbox/issues/89
Merge pull request #1854 from Bladrak/allowingSearch0

Resolving issue https://github.com/sonata-project/sandbox/issues/89
Fixing wrong twig comparison
Fixed wrong twig comparison for search ajax
Update troubleshooting.rst

added workaround for large filters problem
Merge pull request #1855 from Bladrak/fixedWrongTwigComparison

Fixed wrong twig comparison
Merge pull request #1856 from zhil/master

Add info on how to handle a lot of filters in troubleshooting.rst
added batch action label to batch action confirmation form
integrated action_label as placeholder, adapted fr, en and de strings
force translation of action_label
Add method for getting labels using current translationStrategy
Merge pull request #1857 from marekkalnik/benoitpointet-batch_action_label

Benoitpointet batch action label
Add info on getTranslationLabel in AdminInterface
Added missing option select in templates section
Merge pull request #1858 from likemandrake/patch-1

Added missing option select in templates section
Fix "many" parent append
Merge pull request #1860 from EmmanuelVella/patch-14

Fix "many" parent append
adding a couple of documentation annotations on the Admin class
Merge pull request #1861 from dbu/doc-annotations

adding a couple of documentation annotations on the Admin class
Merge branch 'sonata/master'