Added template tests for list and show choice
add support for select2
Fix test
Added CRUDControllerTest
Improved CRUDControllerTest: added test for batchActionDelete and ShowAction
Add a global SearchHandler
The getShortDescription can now return json data
CRUDControllerTest: added tests for deleteAction
add global search option
fix typos
Fix #1689
Update delete.html.twig

1. Add "Back to List" button
2. Replace input type submit to button type submit with trash icon
3. Add class icon-white to the edit link
CRUDControllerTest: added test for editAction
typo in installation docs
File location added for admin class in documentation
Update batch_confirmation.html.twig

1. Replace input type submit to button type submit
2. Add trash icon to the back to list link
Update SonataAdminBundle.sk.xliff
Tweak select2 integration
standard_layout.html.twig: Do not display the group label if no item in group is available
Added some more test