TDD baby
Search multiple locations for the config file
Allow user to specify the --path option when running configure
Fix/Add features for configure
Document config stuff
Remove print statements
Remove @focus tags
Remove redundant comment in Berkshelf::Config
Make DEFAULT_LOCATION a class method on Berkshelf::Config
Merge pull request #505 from sethvargo/476_more_configs

Accept Berkshelf configurations from other paths (#476)