HBASE-10097 Remove a region name string creation in HRegion#nextInternal

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HBASE-10099 javadoc warning introduced by LabelExpander 188: warning - @return tag has no arguments



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HBASE-10085: Some regions aren't re-assigned after a master restarts

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HBASE-9955 Make hadoop2 the default and deprecate hadoop1

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HBASE-10061 TableMapReduceUtil.findOrCreateJar calls updateMap(null, ) resulting in thrown NPE (Amit Sela)

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HBASE-10094 Add batching to HLogPerformanceEvaluation

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HBASE-10048 Add hlog number metric in regionserver

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