Merge pull request #1934 from eko/master

Add encapsulation blocks sonata_nav and sonata_breadcrumb
Set menu to active in the top navigation
set content list to span12 when filter is empty

I forget to do the same thing for the ajax template in this pull request https://github.com/sonata-project/SonataAdminBundle/pull/1917
Merge pull request #1935 from jbinfo/master

Set menu to active in nav && Hide the filter section if is empty in ajax template
Added missing security check in inline show action
Merge pull request #1936 from pulzarraider/patch-3

Added missing security check in inline show action
Removed trash icon in batch confirmation template
Merge pull request #1937 from pulzarraider/patch-3

Removed trash icon in batch confirmation template
Fix test autoload
Move Twig Text extension to core bundle