Add some initial specs for the controller methods
Change Frosting::Presentation to Frosting::Repository

Remove Rails dependency
Reinstate Frosting::Presentation with simple delegation
Add base presenter specs

Remove delegation to ActionView methods
Include Presentation in the BasePresenter
Delete Gemfile.lock
Correct activesupport dependency
Require presentation in base presenter
Require repository for presentation
Bump version
Merge pull request #2 from foraker/specs

Add some initial specs for the controller methods