Added dns_zone_get_id function get id from domain name. To discover a domain id passing domain name as argument.

use the standardize app->db->quote method already established.

Refs: 1722

Also removed the calls to the db closeConn calls in favor of
destryong the connections on the class __destruct() 's..

Since firebird db had a closeConn as well, changed its __destruct
to calls its own personal closeConn which otherwise left unmodified.

Refs: 1722

- Fixed UTF-8 support in email function.

  @param  -> session_id
  @return -> Array of all Client IDs on server

Fixed: PHP notice in tform_actions.inc.php

- Added a new IP validator to the tform library which validates IPv4 and IPv6 addresses.

- Added a function to the remote api to get all virtual machines of a client.

Added destructor and session write to app class instead.

http://bugtracker.ispconfig.org/index.php?do=details&task_id=1671

I've changed the id HTML attributes of the check boxes. You can still group post requests on name attributes while using the id to keep the items unique in the DOM tree. i saw some commented code already being there but wasn't functioning, so i rewrote the original lines.
This only goes for type: CHECKBOXARRAY and RADIO

- Fixed date handling functions in remoting library.

Changed onClick function in DNS resync temlate.

Added a example file for adding a VM with the remote API

- Fixed {RECORDID} placeholder in SQL datasource strings.

http://bugtracker.ispconfig.org/index.php?do=details&task_id=1601&project=3

Thanks Ben Lake

- Added UFW firewall support.