Merge r1454237 through r1455388 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2802@1455390 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-238-trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-261-trunk-gd
HDFS-4563. Update namespace/diskspace usage after deleting snapshots.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2802@1455396 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9393. TestRPC fails with JDK7. Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1455418 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9394. Port findHangingTest.sh from HBase to Hadoop. Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1455419 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-238-trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-261-trunk-gd
HDFS-4287. HTTPFS tests fail on Windows. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1455605 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
HADOOP-9099. NetUtils.normalizeHostName fails on domains where UnknownHost resolves to an IP address. Contributed by Ivan Mitic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1455629 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9388. TestFsShellCopy fails on Windows. Contributed by Ivan Mitic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1455637 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-238-trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-261-trunk-gd
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-238-trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-261-trunk-gd
HDFS-4586. TestDataDirs.testGetDataDirsFromURIs fails with all directories in dfs.datanode.data.dir are invalid. Contributed by Ivan Mitic.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1455708 13f79535-47bb-0310-9956-ffa450edef68