6. Improvements

Backported several Hadoop 2.0 APIs to Comanche.

BUG-5284:Fixed delegation Token renewal exception in jobtracker logs.

BUG-5483:NFS: file upload fails to upload in NFS-MountDir fixed.

BUG-5774: Fixed taking snapshot on Oracle Linux and Java version 1.6.0_31, may occasionally result in spurious Timeout error.

HDFS-4880: Print the image and edits file loaded by the namenode in the logs.