HBASE-9269 IntegrationTestBulkLoad fails because a public constructor is needed.

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1515947 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8760 possible loss of data in snapshot taken after region split

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1515965 13f79535-47bb-0310-9956-ffa450edef68
Add note on Compaction Tool

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1515990 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HBASE-8584-trunk-gd