Adding nyan cat formatter to rspec (SUPER IMPORTANT)
Deleting default rails test. Adding default values for total contributors and contributions.
Starting model tests. Adding run reference to supporters for active record relationship.
Changing 'run' to 'thing' in model and schema.
Changed supporters to contributors in model so term is consistent throughout.
Adding tests for contributors model. Configuring spec helper to allow for test focus. Writing after_create callback on contributor to recalculate thing countributors and contributions.