add foodcritic, test-kitchen, default test suite
hoist java attributes to provisioner level, add tarball suite
add dse suite
Turn CMSClassUnloadingEnabled on by default

See https://issues.apache.org/jira/browse/CASSANDRA-6541
Sync with upstream
Merge pull request #63 from cwjohnston/tests

add foodcritic, test-kitchen and a default test suite
Add berkshelf
Remove Cheffile