Add cheers as join table with model, associations.
Migrate db.
Add has many cheers to goal model.
Start adding cheer count to users.
Adding routes for cheers, other details.
Add controller for cheers.
Add cheer button and helper method to determine if user has cheered for goal previously.
Rename cheer button partial, fix various typos and update user cheer_count in cheer controller.
Fix goal crud spec to match new goal update redirect.
Fix awful bug in cheers spec.
Fix bugs and add cheer count to goal show page.
Add cheers index and fix typo in user cheers association.
Fix issue with specs finding cheer count on page.
Fix final bug with decrementing cheer count for user.