HBASE-10712 Backport HBASE-8304 to 0.94 and 0.96 (Haosdent)



git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1575985 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10716 [Configuration]: hbase.regionserver.region.split.policy should be part of hbase-default.xml (Srikanth Srungarapu)


git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1576133 13f79535-47bb-0310-9956-ffa450edef68