HBASE-8249 TestMetricsWALSourceImpl from hbase-hadoop2-compat module missing Apache license


git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1471774 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8427 Apache Rat is incorrectly excluding test source files


git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1471795 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8405 Add more custom options to how ClusterManager runs commands

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1471805 13f79535-47bb-0310-9956-ffa450edef68