HBASE-8404 Extra commas in LruBlockCache.logStats

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1478957 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7244 Provide a command or argument to startup, that formats znodes if provided

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HBASE-5746 HFileDataBlockEncoderImpl uses wrong header size when reading HFiles with no checksums (0.96)

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