- expire redis recording keys after 14 days

.../bigbluebutton/core/service/recorder/RedisDispatcher.java

akka-bbb-apps/src/main/resources/application.conf

akka-bbb-apps/src/main/scala/org/bigbluebutton/Boot.scala

...rc/main/scala/org/bigbluebutton/SystemConfiguration.scala

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

...eo/src/main/webapp/WEB-INF/bigbluebutton-video.properties

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

...igbluebutton/deskshare/server/recorder/EventRecorder.java

deskshare/app/src/main/webapp/WEB-INF/deskshare.properties

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