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

- 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.

Removed unused database tables: 

DROP TABLE `mail_greylist`;
DROP TABLE `firewall_filter`;
DROP TABLE `firewall_forward`;
DROP TABLE `proxy_reverse`;

- Added tables for web folder protection.

- Added fields for IPv6 support and virtualhost Port Configuration to server_ip table

- Added Limit fields for openvz in the database
- Limited several vm functions to be used by admin only.

implemented the patch supplied by Jan Vansteenkiste with the latest commit

http://lathama.net/Recursively_deleting_Microsoft_end_of_line_characters

Added needed incremental sql statements.
Option can be enabled in interface config, mail tab.

- Added UFW firewall support.

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

Implemented: FS#1325 - Option to create remoting user automatically during package installation from repository
Implemented: VAT-ID and customer No. fields for client and reseller.

Added document_root_www field to the web_domain table. This field contains the symlink path to the website.