This is a minor bugfix release that introduces some minor features and fixes some minor issues.
Features
[b388163] Allowed to translate the form field help messages (@javiereguiluz)
[e569acd][e6b9fc6] Allow to use an empty string as the action name (to display only the icon) (@ogizanagi, @javiereguiluz)
[9dc093a] Allow to override _request_parameters (@Pierstoval)
[17b29dc] [Travis] Update Symfony version to 2.7 (@xabbuh)
Fixes
[b23b9b5] Workaround Composer memory exhausted issue on Travis with PHP 5.3 (@ogizanagi)
[0a24646] Fixed a typo in the UPGRADE guide (@xabbuh)
[da29645] Added a missing tip in the UPGRADE file (@Pierstoval)