Fix in ispconfig url detection function when nginx returns '_' as $_SERVER[...

tbrehm

2013-04-17 e6a2917b9de293e735df5dbf0b10dce967185f45

 install/sql/incremental/upd_0011.sql

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