OOZIE-1450 Duplicate Coord_Action events on Waiting -> Timeout, and Coord Materialize not removing actions on Failure (mona)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1503784 13f79535-47bb-0310-9956-ffa450edef68
OOZIE-1453 Change frequency to string in SyncCoordAction.java (bowenzhangusa via rkanter)

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1503786 13f79535-47bb-0310-9956-ffa450edef68