Fixed: FS#3188 - .ftpquota file remains

Till Brehm

2014-03-08 4887d4e94acb35f3ef9ccb292be6561bbf2582b7

 install/sql/incremental/upd_0011.sql

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