SAK-23349: Solved problem with connections in with chrome 27. Disabled firefox for now

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@126783 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-23349: Disabling the option to call directly from site menu if user don't have videoEnabled

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@126785 66ffb92e-73f9-0310-93c1-f5514f145a0a