Removed idn2ascii filter from mail pattern field in spamfilter_users form as the filter alters the pattern so that the wildcard pattern @. is not possible.

- mail accounts not locked when client locked
- mail account sending and receiving lock separated
- fixed error in query
- fixed wording to match separeted locks

- Add config to clear php handler in apps vhost.

skip writing dkim-values for inactive domains
removed the public-dkim-key from the interface
added german language-file

Reverted SVN trunk back to revision 3938 to remove changes in default theme an a replacement of the ispconfig logo.

Implemented checkboxes in Interface Config to enable showing/hiding the tabs Mail Filters, Autoresponders and Custom Rules for mailboxes.

See also http://www.howtoforge.com/forums/showthread.php?t=59539

Added: Changed idn function to support multi-line fields (like mail forward)

- need to have the pecl idn and intl modules installed
  or
- have the idna_convert class in the classes/idn/ path

Fixed/Implemented: replaced intval() by $app->functions->intval() in all interface functions due to big number problem in intval()

- Added translations to global search.