Work on making a log-in page for non-CNet users
Make sign-up and sign-in work for non-CNet users
Finish signup and signin functionality
Fix password confirmation on signup page
Clean up signup page and validation messages
Fix routes for LdapUser and LocalUser
Add affiliation and dept. fields to signup form
Add aff. and dept. to 'request advisor access' pg

- Add affiliation and department fields to the 'request advisor access'
  page

- Also, remove the affiliation and department fields from the
  registration form
Update field reqs and E-mails for advisor access

- Ensure that users must provide their affiliation and department to
  request advisor access, and that E-mails sent to admins about their
  requests include their affiliation and department.
Add users' e-mails to ActionMailer messages

- Now, if a user doesn't have a CNetID, their e-mail address will
  appear in E-mails pertaining to them