introduce some stuff to increase inital speed of mail-list by asyncronously calling gatherVacation and getQuotaRoot; increase cache-time on folderExists cache, trust a folder to be existant (or at least fot force the check with IMAP-Server) in get_rows

git-svn-id: http://svn.egroupware.org/egroupware/trunk@47989 923e3c2e-ae13-0410-ba18-ced7211e33de
Try to catch exceptions from Sieve retriveRuels, and call emailadminWizard

git-svn-id: http://svn.egroupware.org/egroupware/trunk@47991 923e3c2e-ae13-0410-ba18-ced7211e33de
using cache more efficiently; prevent clearing cache on profileChange; hook into clear_cache callable from admin

git-svn-id: http://svn.egroupware.org/egroupware/trunk@47992 923e3c2e-ae13-0410-ba18-ced7211e33de
Fix addressbook CRM next/previous buttons don't update nextmatch

git-svn-id: http://svn.egroupware.org/egroupware/trunk@47995 923e3c2e-ae13-0410-ba18-ced7211e33de
Try to cache vacation for each account to avoid to connect to IMAP server if vacation rules are not changed

git-svn-id: http://svn.egroupware.org/egroupware/trunk@47996 923e3c2e-ae13-0410-ba18-ced7211e33de
Add missing column in timesheet idex template, which were causing customfields not shown on the list

git-svn-id: http://svn.egroupware.org/egroupware/trunk@47997 923e3c2e-ae13-0410-ba18-ced7211e33de