OOZIE-1703 User should be able to set coord end-time before start time (puru via rohini)
OOZIE-1861 Pig action should work with tez mode (rohini)
OOZIE-1869 Sharelib update shows vip/load balancer address as one of the hostname (puru via ryota)
OOZIE-1846 Convert CoordActionMaterializeCommand to an XCommand and remove Command