HADOOP-9471. hadoop-client wrongfully excludes jetty-util JAR, breaking webhdfs. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1466764 13f79535-47bb-0310-9956-ffa450edef68
merge MAPREDUCE-5079 from trunk. Changes job recovery to restore state directly from job history, instaed of simulating state machine events. Contributed by Jason Lowe and Robert Parker.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1466770 13f79535-47bb-0310-9956-ffa450edef68
Fixes to MR CHANGES.txt to bring jiras under the correct release. At least 2.0.4 onwards in sync with trunk.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1466779 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5113. Streaming input/output types are ignored with java mapper/reducer. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1466870 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5098. Fix findbugs warnings in gridmix. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1466872 13f79535-47bb-0310-9956-ffa450edef68