HBASE-8497 Protobuf WAL also needs a trailer (Himanshu)



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HBASE-8602 Ugly stack trace just because regionserver comes up before master....

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HBASE-8522 Archived hfiles and old hlogs may be deleted immediately by HFileCleaner, LogCleaner in HMaster (Liu Shaohui)



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HBASE-2231 Compaction events should be written to HLog; LOGGING ADDENDUM

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HBASE-8600 Bunch of log lines from QosFunction: Marking normal priority after

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Merge remote branch 'origin/0.95' into 0.95-gd
Merge remote branch 'origin/0.95-gd' into fb-YAHOO-323-0.95-gd