Features
[5904466] Added a new 'image' field type to display images in show/list actions
[498b363] [f26b05d] Improved the main menu to better display it on smaller devices and where there are lots of menu items (ogizanagi, Pierstoval)
Fixes
[bec8c72] Better control of white spaces for the action links
[7a7b5fb] Minor change to make the bundle compatible again with PHP 5.3
[a1a6afc] Use "delete_empty" option only if we're using Symfony 2.5.0 or higher
[9d5f5e8] Fixed association view issue (Pierstoval)
Translations
[c9dd378] Add Slovenian translation (peterkokot)
[a9cd169] Improved Russian language translation (KonstantinKuklin)
[71cef5d] Add German translation (sr972)
Documentation
[a75ebcf] Split documentation into smaller chapters