Third round of 1.0 accessibility bug fixes

Change from 1.0.0-Beta to 1.0.0-RC

Fixes 3081

 Updating locales

 Update locales as of Apr 6, 2016

Correction to #3074

Fixes #3068 - Detecting Microsoft Edge as Google Chrome

Fixed some accessibility bugs in 1.0

Remove PopUps and toolbars when logged out

# Conflicts:
#	bigbluebutton-client/src/org/bigbluebutton/main/views/MainApplicationShell.mxml
#	bigbluebutton-client/src/org/bigbluebutton/main/views/MainCanvas.mxml

Refresh the shortcuts ArrayCollection.

Minor client improvements

Fix the Flash debug error when client logging out

Rename README to README.md to force its parsing

Containers created with PopUpManager and toolbars are removed from the display list when the user is logged out from the application.

- Extracted locales strings from views. (reverted from commit 0b32f390)
- Removed no more used ChromeChangeMicImage and FirefoxChangeMicImage.

html5: Correctly kick user out of voice in markUserOffline

html5Client:fix emoji bug caused by Chrome vs FF behav difference

 - process converting of message from json on a different thread to p…

bbb-lti: Implemented improvements to the LTI integration

recording: Escape custom poll answers in gnuplot file

 Try to improve commit message. Nothing has changed in the code.

 Process converting of message from json on a different thread to protect the redis sub actor from
 dying when exception occurs due to invalid message.