HBASE-10087 Store should be locked during a memstore snapshot

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1560018 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10249 TestReplicationSyncUpTool fails because failover takes too long


git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1560201 13f79535-47bb-0310-9956-ffa450edef68
Edit of SlabCache note

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Edit of SlabCache setting description to make it clearer

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HBASE-9426 Make custom distributed barrier procedure pluggable (Richard Ding)


git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1560234 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10322 Strip tags from KV while sending back to client on reads.

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