HBASE-9533 List of dependency jars for MR jobs is hard-coded and does not include netty, breaking MRv1 jobs

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1524894 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9518 getFakedKey() improvement

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1524896 13f79535-47bb-0310-9956-ffa450edef68