Delete maximize button.

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@123434 66ffb92e-73f9-0310-93c1-f5514f145a0a
Add video info to online connections. Now you see the video button only when WebRTC is available in both sides of the connection.

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@123435 66ffb92e-73f9-0310-93c1-f5514f145a0a