add amavis-configfile-location for centos 6.4; add amavis-initscrip-name for centos 6.4; fixed missing private_key in mail/mail_domain_dkim_create.php

Changed query syntax of alias domain edit file
Changed deprecated syntax in alpha plesk importer

- nginx: added {DOCROOT} and {FASTCGIPASS} placeholders to directive snippets and nginx Directives fields.

display dns-record for dkim in the mail-domain
rewrite function domain_dkim_update in server/plugins-available/mail_plugin_dkim.inc.php
change dns*.php according to commit 604c0c24

Fixed output of action name in debug mode (registerAction)

add database-size monitoring. the results stored in the database may be used to add the db-size to the web-quota, too.

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

location ~ \.php$ { ##delete##
}

will delete the pre-defined

location ~ \.php$

location.

- 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

Revision 4063 changed the command of apt-get dist-upgrade, so it is no longer neccessary to call as it is the same one that is already executed before and we can reuse the output.