LiveAdmin 1.2.9

[liveadmin]

- Multiple unreported bugs fixed
- Added support of having different departments, each with it's own agents
- [Hosted only] Improved the chat button script, please use the Configuration -> Installation Instruction section to use the new code.
- [Stand alone only] Added support of using your own Google Api Key, it can be found in Configuration -> Site Information.
- [Stand alone only] Improved licensing system. If your license does not work after upgrade, please contact us at http://www.liveadmin.net/contact.php.