MAPREDUCE-5944. Remove MRv1 commands from CommandsManual.apt.vm (Akira AJISAKA via aw)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1617805 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5943. Separate mapred commands from CommandManual.apt.vm (Akira AJISAKA via aw)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1617807 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10966: Merging r1617823 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1617824 13f79535-47bb-0310-9956-ffa450edef68