Add default charities to fixtures
Update CharitiesController test to use new fixtures
Formatting
Select charities to display in controller instead of partial
Use class type directories instead of test type directories
Remove unused helper test files
Use debugger gem in development
Update todo
Move Charity and Round admin functions to admin controllers
Only respond to html in admin routes

If an API is needed, separate controllers will be used.
Rename RoundsController#display to RoundsController#show