re-add rewrite ipv6 on mirror - lost in conversion from SVN to git

Florian Schaal

2013-12-24 fbeb11d1d0f491cd4b9a9d730fdc720e758ae26d

 install/sql/incremental/upd_0011.sql

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