Course, sections, enrollments tables

also added screencast of building out individuals
Added comment to READ.md re: bundle install
Removing secret_token.rb from ignore

config/initializers/secret_token.rb
Put secret_token.rb back
shifted the devise model to User not individual

The theory here is that anyone should be able to sign up or unsignup
from the site and get minimal permissions. If there is a record in the
database with the same email or if the account is manually linked to a
student, then it gets more permissions. This way, user accounts link to
registrar accounts instead of being one and the same.
Trying to put secret_token back...
Trying to put secret_token back in
Added model_name ref to Student class for Individual
Recommit
added secret_token.rb to ignore
Various changes to the following files

student.rb
index.html.erb
routes.rb
added DELETE to index.html.erb