Merge branch 'stable-3.1'

Marius Burkard

2016-07-10 e1ceb050e19c7574bca146a8da7047ee4ff456b5

 install/sql/incremental/upd_0011.sql

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