AMBARI-2086. Agent on host with clients and DATANODE only seems to schedule STATUS commands for several other services. (swagle)

git-svn-id: https://svn.apache.org/repos/asf/incubator/ambari/trunk@1479996 13f79535-47bb-0310-9956-ffa450edef68
AMBARI-2087. Tasks are not filtered by parent request id. (smohanty)

git-svn-id: https://svn.apache.org/repos/asf/incubator/ambari/trunk@1479997 13f79535-47bb-0310-9956-ffa450edef68