Create new magpie submission type, 'msubslurm'
Update default Spark version to 1.0.0-bin-hadoop2
Update default Zookeeper version to 3.4.6
Update default Pig version to 0.12.1
Update default Hadoop version to 2.4.0
Update default Hbase version to 0.98.3-hadoop2
Document alternate Spark fix for SPARK-2116