Adds HighestQualityRTCPTerminationStrategy (and renames the existing test strategies)

src/org/jitsi/impl/neomedia/rtcp/RTCPFBPacket.java

src/org/jitsi/impl/neomedia/rtcp/RTCPREMBPacket.java

...media/rtcp/termination/strategies/FeedbackCacheEntry.java

...a/rtcp/termination/strategies/FeedbackCacheProcessor.java

...ion/strategies/HighestQualityRTCPTerminationStrategy.java

...tion/strategies/MaxThroughputRTCPTerminationStrategy.java

...tion/strategies/MinThroughputRTCPTerminationStrategy.java

...nation/strategies/PassthroughRTCPTerminationStrategy.java

...ation/strategies/SilentBridgeRTCPTerminationStrategy.java

...jitsi/impl/neomedia/rtp/translator/RTPTranslatorImpl.java

src/org/jitsi/service/neomedia/RTCPTerminationStrategy.java