HDFS-4544. Error in deleting blocks should not do check disk, for all types of errors. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1453436 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8952. Enhancements to support Hadoop on Windows Server and Windows Azure environments. Contributed by Ivan Mitic, Chuan Liu, Ramya Sunil, Bikas Saha, Kanna Karanam, John Gordon, Brandon Li, Chris Nauroth, David Lao, Sumadhur Reddy Bolli, Arpit Agarwal, Ahmed El Baz, Mike Liddell, Jing Zhao, Thejas Nair, Steve Maine, Ganeshan Iyer, Raja Aluri, Giridharan Kesavan, Ramya Bharathi Nimmagadda.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1453486 13f79535-47bb-0310-9956-ffa450edef68
YARN-429. capacity-scheduler config missing from yarn-test artifact. Contributed by Siddharth Seth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1453501 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HDFS-4312-trunk-gd