Updated the UG and DG for Hadoop 2.2.
Merge pull request #86 from Paul-Webster/pull-req-release-hadoop-2.2-master-3d663d162d42a9411deb37238c69f35f4bf73789

Updated the UG and DG for Hadoop 2.2. [1/1]
Updated the UG and DG for Hadoop 2.3
Merge pull request #88 from Paul-Webster/pull-req-release-hadoop-2.2-master-cf864fcb8928ffd8633a5f2c4acae9acd85d1888

Updated the UG and DG for Hadoop 2.2 [1/1]