- add alert warning when user has old java version when starting desktop sharing.
Revert " - add alert warning when user has old java version when starting desktop sharing."

This reverts commit 570ea3c6f8e8c3953125fd467c5d19a44e764422.
 - add version check on applet. Don't allow sharing of screen when java version
   is lower than 1.7.0_45
Merge branch 'master' of github.com:bigbluebutton/bigbluebutton
 - change applet display version to 0.81
 - center the java version error message dialog
Updating label to RC4
Updating label to RC4
 - change java version dialog title
 - change java version dialog title to explicitly tell the user that it is an error
 - clean up presentation list to remove scrollbar and display 3 presentations properly
Merge branch 'master' of github.com:bigbluebutton/bigbluebutton
 - add java version required notice in when starting desktop sharing
 - change instruction to much shorter one so it's easy to localize
 - change link so that user is redirected to appropriate localized page
 - add target to build a single locale
 - change test java link
remove the blue background from the Java Test linkbutton
Merge pull request #277 from SenecaCDOT-BigBlueButton/fix-javacheck-highlight

remove the blue background from the Java Test linkbutton
 - handle parameter scale = 1 to do pixel for pixel display when sharing fullscreen