making fees an implicit part of the contribution; adding missing contrib template
we do not need billing name/address
from our point of view, a contribution is never pending. DE will handle contributions to challengers not yet identified
welcome page for new users to set an account password
switch to our own user model to make email/password logins more reliable (no username clashes), update total_pledged, locking
add a retired/not employed checkbox
add https settings
make the custom user model more Django-compliant
delay user login until pledge submission to avoid a csrf token change
add competitive races filter
login/logout
script we need to run daily to clear things
script to create a sample trigger
add a simple user account page
set defaults on the pledge form based on the user's last made pledge
show the user's own contribution info on the trigger page itself