- support java 7u65 and later
 - fix issue where applet won't start on FF 31
 - try to force FF 31 to display security bar when starting the deskshare applet
Merge branch 'v0.81-release' of https://github.com/bigbluebutton/bigbluebutton into mconf-live-ubuntu-1404

Conflicts:
	bigbluebutton-client/resources/prod/lib/bbb_deskshare.js
removing the warning on bbb-conf when using ffmpeg 2.3
ffprobe should be quiet because the output is parsed as a JSON directly with no filter - so no warning message should be included