Merge pull request #6360 from pedrobmarin/rebased-redis-recording

...ain/scala/org/bigbluebutton/common2/msgs/SystemMsgs.scala

.../org/bigbluebutton/common2/redis/RedisConfiguration.scala

...b/src/main/java/org/bigbluebutton/api/MeetingService.java

...src/main/java/org/bigbluebutton/api/RecordingService.java

...essaging/converters/messages/DeletedRecordingMessage.java

...essaging/converters/messages/PublishRecordingMessage.java

...saging/converters/messages/PublishedRecordingMessage.java

...saging/converters/messages/UnpublishRecordingMessage.java

...ging/converters/messages/UnpublishedRecordingMessage.java

...bigbluebutton/api/util/RecordingMetadataReaderHelper.java

...src/main/java/org/bigbluebutton/api2/IBbbWebApiGWApp.java

.../main/java/org/bigbluebutton/api2/RecordingServiceGW.java

...rc/main/scala/org/bigbluebutton/api2/BbbWebApiGWApp.scala

...eb/src/main/scala/org/bigbluebutton/api2/MsgBuilder.scala

.../scala/org/bigbluebutton/api2/util/RecMetaXmlHelper.scala