Use custom DartmouthUser model
Add dartmouth Cas as a submodule
Use net_id as username field
Add stripped down django CAS
Update cas imports
simplify callbacks
Move netid retrieval to user manager
Couple Webauth and user model
Rename CAS -> WebAuth
add netid as username
Update tests for new user model
Add custom setsuperuser command
Change name of User model
LeaderApp tweaks
Add submit button to Calendar
Use timezone for calendar defaults
Layout leader app with crispy forms