don't use iCheck in bootstrap button group
confirm exit did not work correctly for multiple forms on one page because the serialized data are generated over an collection and not over the single forms
Merge pull request #2112 from UFOMelkor/hotfix/js-confirm-exit-for-multiple-forms

confirm exit does not work correctly for multiple forms
Update recipe_custom_action.rst
Enable the Security bundle

It provides function required by the admin bundle
Update Configuration.php

Bootstrap.js need to be adove jquery-ui files in initialization queue, cause jQuery ui dialogs can not initialize properly otherwise (for example, close button is now shown properly)
Update Configuration.php

flick/jquery-ui.min.css has some bugs. For example: http://prntscr.com/3hr8dm. Overlay background is broken. Better to use base theme.
Update SonataAdminBundle.bg.xliff

Added missing translations
Merge pull request #2122 from Warxcell/patch-1

Update SonataAdminBundle.bg.xliff
Merge pull request #2121 from GinoPane/patch-2

Update Configuration.php
Merge pull request #2120 from GinoPane/patch-1

Update Configuration.php
Merge pull request #2119 from greg0ire/documentation_improvements

Enable the Security bundle
Update assets
Merge pull request #2109 from toooni/iCheck_checkbox_group

don't use iCheck in bootstrap button group
Merge remote-tracking branch 'sonata-project/master'