Removes unecessary CSS files
Update department show page to go straight to review page if only one teacher exists for that course
Updates browsing so that if only one teacher exists for a course, it goes straight to that teacher
Updates the orange to be the same color as the logo, and updates buttons to be orange
Adds full_name method for professors
Separates courses by the 1000s when browsing
Added prefixes for subdepartments to review form