Add a global SearchHandler
The getShortDescription can now return json data
CRUDControllerTest: added tests for deleteAction
add global search option
Merge pull request #1687 from pulzarraider/crudcontroller_test3

CRUDControllerTest: added tests for deleteAction
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
Merge pull request #1690 from dkorsak/patch-5

Update delete.html.twig
CRUDControllerTest: added test for editAction
Merge pull request #1691 from pulzarraider/crud_controller_test4

CRUDControllerTest: added test for editAction
Merge branch 'sonata-master' into 2.3