HBASE-9480 Regions are unexpectedly made offline in certain failure conditions

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.96@1523308 13f79535-47bb-0310-9956-ffa450edef68
hbase-9512: Regions can't get out InRecovery state sometimes when turn off distributeLogReplay and restart a cluster

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HBASE-9536 Fix minor javadoc warnings

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.96@1523409 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9523 Audit of hbase-common @InterfaceAudience.Public apis


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