- stop sharing when either jws or flash client crashes

bbb-screenshare/app/jws/lib/javacv-screenshare-0.0.1.jar

bbb-screenshare/app/jws/screenshare.jnlp

bbb-screenshare/app/screenshare.jnlp

...pp/src/main/java/jnlp/sample/servlet/JnlpFileHandler.java

...va/org/bigbluebutton/app/screenshare/ScreenShareInfo.java

...in/java/org/bigbluebutton/app/screenshare/StreamInfo.java

...utton/app/screenshare/events/IsScreenSharingResponse.java

...ebutton/app/screenshare/events/ScreenShareClientPing.java

...utton/app/screenshare/events/ScreenShareStoppedEvent.java

.../bigbluebutton/app/screenshare/red5/EventListenerImp.java

...igbluebutton/app/screenshare/ScreenShareApplication.scala

...ebutton/app/screenshare/server/sessions/Screenshare.scala

.../app/screenshare/server/sessions/ScreenshareManager.scala

...gbluebutton/app/screenshare/server/sessions/Session.scala

...n/app/screenshare/server/sessions/messages/IMessage.scala

...org/bigbluebutton/screenshare/client/DeskshareClient.java

...a/org/bigbluebutton/screenshare/client/DeskshareMain.java

.../bigbluebutton/screenshare/client/ScreenRegionSharer.java

...org/bigbluebutton/screenshare/client/ScreenShareInfo.java

...utton/screenshare/client/net/NetworkHttpStreamSender.java