Implemented: FS#1113 - Force client to use only allowed IPs

- Enabled Security Level (Server Config > Web > Security Level) for nginx.

- Added SEO redirects (both Apache & nginx) to redirect from non-www website to www website or vice versa.
- Introduced placeholder [scheme] for redirect paths for alias and subdomains; will be replaced with http or https, depending on what the visitor uses.

- Fixed FS#1745.

http://bugtracker.ispconfig.org/index.php?do=details&task_id=1681

I've NOT tested this fix, but i think it should be fine.
Someone with Dovecot, please test.

Fixed: PHP notice in tform_actions.inc.php

Removed unsupported setting in vhost config file and added german translation of welcome email message.

Fixed: FS#1712 - Welcome email in multiserver setup problem (welcome mail not send because MySQL delay)

No commit message

Replaced old variable names with new ones used in apache 2, see here for reference: http://httpd.apache.org/mod_fcgid/mod/mod_fcgid.html

implemented the patch supplied by Jan Vansteenkiste with the latest commit

http://lathama.net/Recursively_deleting_Microsoft_end_of_line_characters

default favicon.ico which is blank, a simple 
.htaccess, and a simple robots.txt.  This will 
also reduce 404s on the whole server

- Added UFW firewall support.

Temporary fix for: FS#1311 - Only first PHPINIDir directive honored per configuration tree - subsequent ones ignored