sort based on handraised, move strings to locale, minor tweaks to the audio dialogs
Merge pull request #379 from SenecaCDOT-BigBlueButton/sort-raisehand-better

minor client updates
 - allow a way to change log level externally from bigbluebutton.properties
 - remove go to page dialog
fix strings in FirefoxMicPermission
Merge remote-tracking branch 'upstream/master' into sort-raisehand-better
 - change log level for user join and leave so we can track them if the log level is above debug
Merge branch 'master' of github.com:bigbluebutton/bigbluebutton
Changed warning for LibreOffice not running (monit may not have started it yet)
Darkend the had to make it more visible in Users window
Corrected wording in prompt for user to give permission to access microphone (FireFox)
minor adjustment to record icon
Adjusted FireFox permissions image to give more prominence to the microphone
Renamed 'WebRTC' -> 'WebRTC Audio' so users have a better chance of knowing what this indicator means
 - update localization
 - stop sharing from server side instead of destroing the applet from the client side
 - initiate closing of applet from server side
Set the audio 'original duration' during initial events parsing

This is the point at which the start/stop events for the audio are
correctly matched up with eachother; doing it later can give
incorrect results if an 'end recording' event was missing from
the events file.
 - generate goto slide event when sharing a presentation
Add the 'mkclean' step for audio-only recordings