[code spike] Use chef as our code generator
Extract ChefRunner from generator code spike
rename code generator cookbook to "code_generator"
Remove orphaned generator code
Extract generator library code from command class
Convert generate command to have sub-sub-commands
Refine generator command API, add tests for cookbook generator
Add recipe generator
Add generators for file, template, attribute, lwrp
Add app generator
Use Chef 11.12 from rubygems rather than git
Remove unused generator files
Make `generate` command description more descriptive
Document base classes of generator subcommands