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.

implemented the patch supplied by Jan Vansteenkiste with the latest commit

stop the 404s from new browsers that check.

Updated english languages files
Updated czech languages files

Added Support for Sieve mail filtering language on dovecot servers.