HADOOP-8462. Native-code implementation of bzip2 codec. Contributed by Govind Kamat


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1453608 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9209. Add shell command to dump file checksums (Todd Lipcon via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1453613 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9372. Fix bad timeout annotations on tests. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1453637 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9373. Remove empty files that should have been removed in the commit r1453599

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1453645 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HDFS-4312-trunk-gd