Commits work in progress on a remote bitrate estimator.

...l/neomedia/rtp/remotebitrateestimator/BandwidthUsage.java

...ia/rtp/remotebitrateestimator/OverUseDetectorOptions.java

.../neomedia/rtp/remotebitrateestimator/OveruseDetector.java

...neomedia/rtp/remotebitrateestimator/RateControlInput.java

...eomedia/rtp/remotebitrateestimator/RateControlRegion.java

...neomedia/rtp/remotebitrateestimator/RateControlState.java

...l/neomedia/rtp/remotebitrateestimator/RateStatistics.java

...ia/rtp/remotebitrateestimator/RemoteBitrateEstimator.java

...ebitrateestimator/RemoteBitrateEstimatorSingleStream.java

...dia/rtp/remotebitrateestimator/RemoteBitrateObserver.java

...eomedia/rtp/remotebitrateestimator/RemoteRateControl.java