Updated upload document icon
Merge pull request #218 from tylercopeland/updated-upload-icon

Updated upload document icon
 - move commons-io jar into red5/lib as we get a class not found error when
   desktop sharing is tunneling
 - fix https://code.google.com/p/bigbluebutton/issues/detail?id=1587 where
   webcam cannot be started again when window is closed while previewing video
Updated defaut.pdf to have a link to test running a Java applet (for testing desktop sharing)
Modified test Java link in default.pdf
Merge branch 'master' of github.com:bigbluebutton/bigbluebutton
 - do not show unlocked layout icon to viewers
 - do not show eject button when allowKickUser is false
Merge branch 'master-bigbluebutton'