Add VCR for api related testing
Begin Refactor of repo controller, move repository_files create method into repo files model
Add create_repo_files method to skinny the repository controller
Add contributor model, needed because we have to store an array...which we can't do, so we need a new relationship
Consolidate sidebar into a shared folder because it appears in multiple views
Add migration to deal with multiple contributors on repo file creation
Spacing, and removed commented binding.pry
Change validation method to use repo_uid
Add .join(",") to contributers to store them as a comma separated string instead of creating a new migration and class for the --> rm migration and model
Remove contributor migration and model, handling this with a .join instead.
Change the exists method to accept repo_uid as an argument
Move repo exists method into repository helper
Move repository exists method here from app helper
Refactor repo controller
-->create class method to create repository files. call this method in controller
Refactor repo controller and code review model for clarity and to slim both down.
Merge pull request #75 from alexung/start_controller_refactor

Start controller refactor