HDFS-4533. start-dfs.sh ignores additional parameters besides -upgrade. Contributed by Fengdong Yu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1481178 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9481. Broken conditional logic with HADOOP_SNAPPY_LIBRARY. Contributed by Vadim Bondarev.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1481191 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9485. No default value in the code for hadoop.rpc.socket.factory.class.default. Contributed by Colin Patrick McCabe.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1481200 13f79535-47bb-0310-9956-ffa450edef68
YARN-634. Modified YarnRemoteException to be not backed by PB and introduced a separate SerializedException record. Contributed by Siddharth Seth.
MAPREDUCE-5239. Updated MR App to reflect YarnRemoteException changes after YARN-634. Contributed by Siddharth Seth.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1481205 13f79535-47bb-0310-9956-ffa450edef68
YARN-663. Changed ResourceTracker API and LocalizationProtocol API to throw YarnRemoteException and IOException. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1481215 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