HBASE-7957 CloneSnapshotHandler.prepare() is not called by SnapshotManager

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HBASE-7956 RegionCoprocessorRpcChannel should log rpc requests at TRACE level rather than DEBUG

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HBASE-7955 Remove log "ERROR snapshot.SnapshotFileCache: Snapshot directory doesn't exist"


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HBASE-7700 TestColumnSeeking is mathematically bound to fail (J-D)

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HBASE-7869 Provide way to not start LogSyncer thread (Anoop)

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HBASE-7902 deletes may be removed during minor compaction, in non-standard compaction schemes

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