added a notification for when you are using webrtc
added styling to the fileupload help, also cleaned up some text
Merge remote-tracking branch 'upstream/master' into misc-client-fixes
fixed 'slider will zoom to the bottom right side instead of center'
added notifications to the users window for room mute and lock state
Merge pull request #366 from SenecaCDOT-BigBlueButton/misc-client-fixes

Misc client fixes
 - send meeting status to client when user joins
 - mute late user if meeting is muted
Merge branch 'master' into bbb-apps-wip
 - when user joins voice, see if the meeting is muted and mute user if it is
 - when presenter receives page coordinates from server when dragging the slide, ignore the message
   so as not to reposition the page and creating a jerky page movement
 - show presentation conversion progress
Merge remote-tracking branch 'origin/master' into zoom-slider-bug
Merge pull request #364 from SenecaCDOT-BigBlueButton/zoom-slider-bug

fixed 'slider will zoom to the bottom right side instead of center'
bbb-cond now ignores if redis.pass is blank in bigbluebutton.properties
Tweaking the language for the Audio Test dialog
Minor tweak to the webRTC notification (lower right-hand corner)
the raise hand button is now visible for all users
Merge remote-tracking branch 'upstream/master' into enable-raisehand-for-all
'?' button on the WebRTC Audio Connection dialog will open default help page