- Changed AllowKickUsers default to false as its better enabled by the administrator when configuring their BigBlueButton site

- Removed printing of sip.server.host on bbb-conf -c as it would cause confusion why it's the only variable with an IP address.  Instead, added checks to ensure when FreeSWITCH is running, this variable matches the local IP address

Conflicts:
	bigbluebutton-config/bin/bbb-conf

 - change help url from config.xml. Patch from http://code.google.com/p/bigbluebutton/issues/detail?id=692

 - force scrollbar to last message when chat history is loaded
 - force scrollbar to display last message