Reordered error messaging during parameter validation. Properly set 'chef/ubuntu_12.04' as the default base image and an empty array as the default run_list.
Adding majority of pending specs.
Check for existence of cookbook_path directory and log message if missing
Remove berkshelf dependency
Created remaining pending specs
Only copy cookbooks that are passed via the run_list
Fix cookbook copying & add specs
Merge pull request #2 from micgo/master

All specs working. Check for cookbook_path before copying. Only copy cookbooks passed via run_list