See http://lists.xwiki.org/pipermail/devs/2015-September/059359.html .
Wrong data space computed for apps when going back and forward in the app creation wizard
Space name cleanup: not for the data space, but only for the code space
Support 2 roles for users for app within minutes: application creator and data creator
Add the ability to create an application in a nested space
Livetables with search bar do not function properly in Flamingo
Cannot delete an application on MySql