Merge branch 'stable-3.1'

Marius Burkard

2016-05-04 c3189ce6c7301c3ec17878fd3918f31d0d3cb18a

 install/sql/incremental/upd_0011.sql

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