AMBARI-4858. Add configurations to support Hive running on Tez or Mapreduce (ncole)
AMBARI-4862. Hive execute JAR needs to be installed on HDFS. (Siddharth Wagle via mahadev)
AMBARI-4870. Nimbus fails to start on install on centos 5.9. (Iryna Kuzmenko via mahadev)