HBASE-11437 Modify cell tag handling code to treat the length as unsigned. - Addendum
HBASE-11506 IntegrationTestWithCellVisibilityLoadAndVerify allow User to
be passed as arg (Ram)
HBASE-11505 'snapshot' shell command shadows 'snapshot' shell when 'help' is invoked
HBASE-11510 Visibility serialization format tag gets duplicated in Append/Increment'ed cells. (Anoop)