Fixed: FS#1905 - client_add function in remote api adds duplicate user after returining correct dupliate error.

- Added functions to start / stop / restart virtual machines to the remote api.

- Added some default values for nginx in the web_domain_update function of the remote api.
- Fixed a php warning in the updater.

- WebDAV Users: show only domains that run on Apache (because nginx does not have full WebDAV support).

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.