- 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

- Fixed FS#2441 - FastCgiExternalServer: redefinition of previously defined class "/usr/lib/cgi-bin/php5-fcgi".

Changed encoding of incremental sql files to "UTF8 ohne BOM" as some older mysql versions cant load them otherwise with errors like:

ERROR 1064 (42000) at line 1: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ALTER TABLE `web_domain` ADD `pm` ENUM( 'static', 'dynamic', 'ondemand' ) NOT' at line 1
Loading SQL patch file: /tmp/trunk/install/sql/incremental/upd_0032.sql

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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

Bugfix: Attachments were not cleaned up on finish() call of mail class (next recipient gets all attachments, too)
Update: some import tests for plesk