HDFS-5224: revert unneeded change in DFSClient
HDFS-5224: corrections to path qualification logic
HDFS-5309. Fix failing caching unit tests. (Andrew Wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1529646 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5224: correct assertions in TestCacheReplicationManager
Merge branch 'HDFS-4949' into HDFS-5224