Migrate pilot abilities to PilotTrait (with PilotAbility as a proxy
model of PilotTrait)
Switch out PilotAbility for PilotTrait
Add Pilot Traits to the Admin Page as an additional page.
Add a basic registration page using a ModelForm
Working submit functionality
Remove unneeded whitespace
Require the password to be entered twice.
Add double-entry validation for password
Hash password before saving User
Syntax tweak for consistency
Move forms into a separate 'Forms' module