Build against Hadoop 1 by default
Merge pull request #585 from pwendell/listener-perf

[Fix SPARK-742] Task Metrics should not employ per-record timing by default
REVERT ME: Linking to Patrick's ec2 repo for now
Adding extra instance types
Adding mapreduce module
Adding automatic resolve of AMI
Resolve AMI region automatically
Changing spark version and availability zone fix
Slight change to AMI versioning