SAK-23349: VI-61. Don't show webcam icon if you don't have video.

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@126880 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-23349: VI-62. Javascript errors with neochat video feature disabled.

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@126881 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-23349: VI-66. Offline checkbox persisted.

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@126882 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-23349: VI-64. Show disable video only if you are video aware.

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@126883 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-23349: VI-65. Avoid transparent window in first message.

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@126884 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-23349: VI-66. Javascript errors when offline checked.

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@126885 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-23349: VI-63. After offline connections not reloaded.

git-svn-id: https://source.sakaiproject.org/svn/portal/branches/SAK-23349@126886 66ffb92e-73f9-0310-93c1-f5514f145a0a