fix to faker factories. adding uniqueness to studentid and course code
tutors table in course table
using association instead of where clause
fix faker preferred horus to always be greater than 1
undo last commit
tutor application method for full name. onto tableception
Merge branch 'integration' into feature/88-course_index_fields

Conflicts:
	app/controllers/tutor_applications_controller.rb
	app/models/course.rb
	db/schema.rb
Merge branch 'feature/88-course_index_fields' into integration