Merge branch 'stable-3.1'

Marius Burkard

2016-05-26 8c6a4706f8bf375738197ed83d1f91d8a17032ef

 install/sql/incremental/upd_0011.sql

New file
@@ -0,0 +1,2 @@
-- use text for groups
ALTER TABLE `sys_user` CHANGE `groups` `groups` TEXT;