Add ability to view final heat candidates
Add additional_registrant_access model and begin setting permissions for creating/accepting requests
Update some comments, clean some minor code
Add time_result scopes for fastest_first sorting
Add html5 style input fields for url, email, and phone fields
Replace homemade fcost/fee formatting, replace with number_to_currency (rails-built) mechanism
fix mailer spec
Create a non-db-backed model for the feedback form, refactor view/controller to use it, add simple validation
Simplify the validates presence statements in models
Try to clean up some registrant.signed_up stuff
update notes, use delegate for bib_number in time_results
Replace calculated default_wheel_size with stored value