Explicitly use Ubuntu 12.04 as the base image.
Remove hack for initctl.
Make sysctl configuration a one-liner.
Install Riak via a direct download.
Make Riak configuration changes a one-liner.
Make dependency installation a one-liner.
Standardize Makefile.
Add comments to boot.sh script.
Update start-cluster script to take advantage of container linking.
Update test-cluster script to take advantage of container linking.
Update stop-cluster script to kill/rm specific Riak containers.
Update README.
Update CHANGELOG.