svn merge -c 1549705 FIXES: MAPREDUCE-5656. bzip2 codec can drop records when reading data in splits. Contributed by Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1549710 13f79535-47bb-0310-9956-ffa450edef68
Move HDFS-4983 to 2.3 in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1549749 13f79535-47bb-0310-9956-ffa450edef68