YARN-724. Moved ProtoBase from api.records to api.records.impl.pb. Contributed by Jian He.
MAPREDUCE-5303. Changed MR app after moving ProtoBase to package impl.pb via YARN-724. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1489658 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4815. TestRBWBlockInvalidation: Double call countReplicas() to fetch corruptReplicas and liveReplicas is not needed. Contributed by Tian Hong Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1489668 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4876. Fix the javadoc of FileWithSnapshot and move FileDiffList to FileWithSnapshot.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1489708 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