- adds private methods 'add_to_approved_tickets_count' and 'remove_from_approved_tickets_count' to update :approved_tickets in the approve and revert actions accordingly.
- adds private methods 'add_to_approved_tickets_count' and 'remove_from_approved_tickets_count' to update :approved_tickets in the approve and revert actions accordingly.

rubymonsters/diversity_ticketing,rubymonsters/diversity_ticketing,rubymonsters/diversity_ticketing