Updated license for bigbluebutton-client, bbb-video, and demo

bbb-api-demo/src/main/webapp/bbb_api.jsp

...va/org/bigbluebutton/app/video/EventRecordingService.java

...in/java/org/bigbluebutton/app/video/VideoApplication.java

...java/org/bigbluebutton/app/video/VideoStreamListener.java

bbb-video/src/main/webapp/WEB-INF/red5-web.xml

bbb-video/src/main/webapp/WEB-INF/web.xml

bigbluebutton-client/src/BigBlueButton.mxml

bigbluebutton-client/src/BigBlueButtonTest.mxml

bigbluebutton-client/src/BigBlueButtonUnitTests.mxml

bigbluebutton-client/src/BreakoutModule.mxml

bigbluebutton-client/src/BroadcastModule.mxml

bigbluebutton-client/src/ChatModule.mxml

bigbluebutton-client/src/ClassroomAudioModule.mxml

bigbluebutton-client/src/DeskShareModule.mxml

bigbluebutton-client/src/DeskshareStandalone.mxml

bigbluebutton-client/src/DynamicInfoModule.mxml

bigbluebutton-client/src/ExampleChatModule.mxml

bigbluebutton-client/src/LayoutModule.mxml

bigbluebutton-client/src/ListenersModule.mxml

bigbluebutton-client/src/NotesModule.mxml