Configure JAVA_HOME and SCALA_HOME from environment
Include URI scheme in Mesos cluster_url
Munge cluster_url into format understood by Mesos
Merge pull request #5 from jey/master

Changes for 0.7.2 release
Change ganglia directory and data collection frequency
Clean up all ganglia RRDs on startup
Fix EBS volume setup
Fix java home to match latest AMI.
Merge branch 'master' of git://github.com/mesos/spark-ec2

Conflicts:
	templates/root/ephemeral-hdfs/conf/hadoop-env.sh
	templates/root/persistent-hdfs/conf/hadoop-env.sh
	templates/root/spark-ec2/mesos/hadoop-framework-conf/hadoop-env.sh
Fix permissions and format check
Remove redundant mkdir
Merge pull request #6 from shivaram/master

Ganglia and persistent hdfs fixes
Fix graphs by symlinking rrds to /var/lib
Merge pull request #7 from shivaram/master

Fix ganglia graphs
New AMI versions
Adding AMI's for all regions
Having AMI copy script output files
New AMI versions
Adding support for 'latest' shortcut
Cleanup and other work based on shivaram's review:

- First stab at spark/shark setup scripts
- More general setup script
- Alternative versioning scheme
- Adding ability to chose git hash
- Hadoop 1 + 2 support