First pass at extracting csv_model from internal codebase.
Remove appraisal argument
Upgrade to rspec 3.0.0
Add travis configuration.
Extract options module
Add utilities spec
Add travis and code climate status to read me.
Add options hook for overriding header or row classes.
Add summary
Merge pull request #1 from Scrimmage/extract-csv-model

Extract csv_model from internal codebase.