HADOOP-10047. Add a direct-buffer based apis for compression. Contributed by Gopal V.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1543456 13f79535-47bb-0310-9956-ffa450edef68
Revert HADOOP-10047, wrong patch.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1543538 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10047. Add a direct-buffer based apis for compression. Contributed by Gopal V.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1543542 13f79535-47bb-0310-9956-ffa450edef68