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

- Added dkim installation to installer.
- Added backup filesize in backup cronjob.

- Implemented: FS#3110 - Turn monitoring module into cron jobs

http://www.howtoforge.com/forums/showthread.php?t=62691

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

- Added backup size to web backups

  New global option to grant reseller users access to the options (advanced) tab in web domains and vhost subdomains

  - This makes ufw the default if it's found

 - Postfix SSL Key is now 4096 bit for greater security

Implemented FS#2593 - PHP Warning: chmod(): No such file or directory in /root/ispconfig3_install/install/dist/lib/debian60.lib.php

 - added configuration options to server config (web tab, php section)
 - do not update custom php.inis if md5sum file does not exist