Fixed property visibility for Travis
Clean code
remove files and fix tests
remove form type definition
Merge branch 'master' into core_bundle
Update composer.json
Remove deleted class from the compiled class
issue 1830 fix

https://github.com/sonata-project/SonataAdminBundle/issues/1830 fix
Merge pull request #1831 from lostedboy/patch-1

issue 1830 fix
Add form_errors call to data grid filter to display global errors
Merge pull request #1833 from benglass/patch-1

Add form_errors call to data grid filter to display global errors
Merge branch 'sonata/master'

Conflicts:
	composer.json