fix test case failure
Merge branch 'master' of https://github.com/sriksun/Ivory
Changes to get tests running
fix for unit tests
Removed dependency on ant
Undoing changes to startup.properties
Fixed 1. Blacklisting superusers, hdfs, mapred, oozie, and ivory.
2. Removed the  for retention workflow.xml which was causing retention failure for S3 replication jobs. 3. Added retention for stats,meta and tmp pats
4. LogCleanUp service with colo awereness.