Wrap bare text in <p> </p> tags
Begin implementing STI for User model

- Begin implementing Single Table Inheritance for the User model so
  users can either sign in with a CNetID or sign up without one
Fix initial LDAP + DB auth bugs

- Fix initial bugs that surfaced when switching from only authenticating
  with LDAP to authenticating with both the database and LDAP
Fix user creation bug in sample_data.rake
Add registration page
Continue working on the sign up feature

- To be implemented: a separate sign in page or form for local users
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
Work on requiring admin approval of new accounts

- Work on requiring admin approval of new local accounts
Work on admin approval of new users feature
Make Devise redirect unapproved users to right pg

- Make Devise redirect unapproved users who try to sign in to the
  correct sign-in page
Work on letting admins approve new local users