MAPREDUCE-883. harchive: Document how to unarchive (Akira AJISAKA and Koji Noguchi via aw)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1617977 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4791. Javadoc for KeyValueTextInputFormat should include default separator and how to change it (Akira AJISAKA via aw)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1617979 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5363. Fix doc and spelling for TaskCompletionEvent#getTaskStatus and getStatus (Akira AJISAKA via aw)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1617982 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-6010. HistoryServerFileSystemStateStore fails to update tokens. Contributed by Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1617984 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5597. Missing alternatives in javadocs for deprecated constructors in mapreduce.Job (Akira AJISAKA via aw)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1617986 13f79535-47bb-0310-9956-ffa450edef68