HBASE-7801 Allow a deferred sync option per Mutation.

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1468179 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8326 mapreduce.TestTableInputFormatScan times out frequently (Nick Dimiduk)



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HBASE-8285 HBaseClient never recovers for single HTable.get() calls with no retries when regions move (Varun Sharma)

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