HBASE-7994 Disable unit tests under hbase-examples; they fail too often up on jenkins

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1452464 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7964 requestCompaction priority argument is not used (except for user compaction check)

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1452514 13f79535-47bb-0310-9956-ffa450edef68