Add chat to participant and initiator.
Removes @location for chat via css
Merge from master
Small fix
HTTP changed to HTTPS URLs
Chat URLs updated
Merge branch 'master' of ssh://github.com/iwuvjhdva/galaxy_trial into add_chat

Conflicts:
	conference/templates/participant.html
Merge branch 'add_chat' of ssh://github.com/iwuvjhdva/galaxy_trial into add_chat
Merge pull request #9 from iwuvjhdva/add_chat

Add chat to participant and initiator.