Introduce Tutor.is_member method.
Initial work on registration system.
Support setting rusclass in tutoradmin.
Introduce settings RUSCLASS_BASE and TUTORS_PREFIX.
Add tutor_required.html template.
Add rusinfo page.
Introduce Tutor.has_rusclass method.
Add rusinfo list view.
Add menu entry for rusinfo for ordinary tutors.
Support rus login.
Get rid of activation app.
Add profile name and email field; change all User.get_full_name references to TutorProfile.get_full_name.
Change references to User.email to TutorProfile.email.