HDFS-4577. Webhdfs operations should declare if authentication is required. Contributed by Daryn Sharp.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454517 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9151 Include RPC error info in RpcResponseHeader instead of sending it separately (sanjay Radia)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454593 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4573. Fix TestINodeFile on Windows. Contributed by Arpit Agarwal.





git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454616 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
HADOOP-8973. DiskChecker cannot reliably detect an inaccessible disk on Windows with NTFS ACLs. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454889 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Resolved merge confilict in findbugsExcludeFile.xml
Merge remote branch 'origin/trunk-gd' into fb-HADOOP-9046-trunk-gd

Conflicts:
	hadoop-common-project/hadoop-common/dev-support/findbugsExcludeFile.xml