changed translation of sites from "domains" to "Internet-Auftritt", because we also have a MODULE called "domains"

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First Version of the Server-Config of the new rescue module (module is not implemented yet, only the Config-interface)

Added global functions library which conatins a mail functin that supports attachments and a array_merge function that merges arrays that conatain numeric keys and strings correctly.

*) Forgot to add the entries for mailman in the main.cf of postfix

(It's used in several countries to identify company)

Handling For: Warning: Invalid argument supplied for foreach() on lines 54, 141 and 178. - Empty Arg Array.

Using these variables in welcome email from admin, when mailbox is created.

The conversion to iso-8859-1 causes compatibility problems with some languages, therefore the transition to utf-8

Updated english languages files
Updated czech languages files