HBASE-9821 Scanner id could collide

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1535198 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9659 some integration tests can no longer be run using maven

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1535202 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9827 Intermittent TestLogRollingNoCluster#testContendedLogRolling failure

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1535254 13f79535-47bb-0310-9956-ffa450edef68