HDFS-4687. TestDelegationTokenForProxyUser#testWebHdfsDoAs is flaky with JDK7. Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1477344 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4305. Add a configurable limit on number of blocks per file, and min block size. Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1477354 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9413. Add common utils for File#setReadable/Writable/Executable & File#canRead/Write/Execute that work cross-platform. Contributed by Ivan Mitic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1477376 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4610. Use common utils FileUtil#setReadable/Writable/Executable & FileUtil#canRead/Write/Execute. Contributed by Ivan Mitic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1477385 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4610. Reverting the patch Jenkins build is not run.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1477396 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5177. Use common utils FileUtil#setReadable/Writable/Executable & FileUtil#canRead/Write/Execute. Contributed by Ivan Mitic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1477403 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-xxx-hadoop-auth-kerberos-realm-trunk-gd