HBASE-10745 Access ShutdownHook#fsShutdownHooks should be synchronized

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HBASE-10741 Deprecate HTablePool and HTableFactory

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HBASE-10549 When there is a hole, LoadIncrementalHFiles will hang in an infinite loop.(yuanxinen)

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HBASE-10751 TestHRegion testWritesWhileScanning occasional fail since HBASE-10514 went in

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HBASE-10656 high-scale-lib's Counter depends on Oracle (Sun) JRE, and also has some bug

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HBASE-10749 CellComparator.compareStatic() compares type wrongly (Ramkrishna S. Vasudevan)

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HBASE-10549 When there is a hole, LoadIncrementalHFiles will hang in an infinite loop -- ADDENDUM

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