Features
[c81fa63] Allow to manage entities belonging to different entity managers
[4a2d207] Allow entities with primary keys not named 'id'
[2a8596b] Improved the way errors are displayed in forms
[f6f27a8] Allow to configure the fields displayed in the 'show' action
[be85d5a] Delete action now displays a modal window to confirm entity removal
Fixes and tweaks
[72a56c1] Fixed virtual column displaying in listings (nlemahieu)
[5aecf43] Reduced line-height for very long items in the main menu (ogizanagi)
[61b7b76] Fixed the message for when there are no results for the query
[cda5b52] Field contents now are only truncated for listings, not for 'show' action
Documentation
[c7891e8] Added a new section about 'Advanced Techniques for Complex Backends'