- add redis password to red5 apps

...n/scala/org/bigbluebutton/core/running/MeetingActor.scala

...g/bigbluebutton/common2/redis/RedisAwareCommunicator.java

.../bigbluebutton/common2/redis/RedisConnectionHandler.scala

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

...g/bigbluebutton/app/screenshare/SystemConfiguration.scala

...p/screenshare/redis/ScreenshareRedisSubscriberActor.scala

...share/app/src/main/webapp/WEB-INF/bbb-redis-messaging.xml

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

...nshare/app/src/main/webapp/WEB-INF/screenshare.properties

bbb-video/src/main/webapp/WEB-INF/bbb-redis-messaging.xml

bbb-voice/src/main/webapp/WEB-INF/bbb-redis-messaging.xml