Merge pull request #368 from godu/master

Fix some bugs
Update src/main/webapp/WEB-INF/messages/messages_fr.properties

Typo
Merge pull request #369 from ptemplier/patch-5

Update src/main/webapp/WEB-INF/messages/messages_fr.properties
Spring Security configuration for handling Ajax requests
Corrected e-mail invitation messages
Merge branch 'master' of github.com:ippontech/tatami

* 'master' of github.com:ippontech/tatami:
  Corrected e-mail invitation messages
  Spring Security configuration for handling Ajax requests
  Update src/main/webapp/WEB-INF/messages/messages_fr.properties
When creating a new group, it appear as a managed group