removed Forname and lastanme from sys_users list, added active and client_id -> grate to get relatons if you wanna deactivate a user

Sort and limit in ispconfig all templates... additional info howtoforge - http://www.howtoforge.com/forums/showthread.php?p=274790

fixed #681 - removed all onblur, checked onchange for function and removed it in filter panels. Added jquery keypress (event 13 -> enter) and tested it in different browsers

It is now possible to redirect to a different url as result of the loadContent AJAX function