generate course model
add associations to cohort and course models
generate migration to add course_id to cohort table for associations
migrate db
generate controller for staff/courses with index edit new show actions
fix routes for courses controller
add form for enter course data
update courses new/edit views to render form
update form to fix select field
update course form
add CRUD actions to courses controller
add basic table for course listing to index view and fix set_course method in controller
add course show view page to display course details
update locations controller to redirect to index page upon creation
update cohort for to allow association to a course
add migration to rename course_id column on cohorts table. migrate db.
add course_id to allowed params for cohort controller
update redirect paths for cohort controller
fix redirect path in cohorts controller
add links to base page for adding/listing courses