move student_dashboard_path to new users controller
delete student_dashboard from appointments_controller
new users_controller with student_dashboard method formerly from appointments controller
move student_dashboard view from being scoped under appointments to the users folder
split student_dashboard views into partials, appointments partial
users_controller #student_dashboard sends down current_users learning materials
users/_appointments handles case for empty upcoming and past appts
users/student_dashboard shows lesson_materials partial
lesson_materials partial iterates through materials to provide links
lesson_materials partial handles if current_user has none
migration to change notes field on student_materials to read instructor_notes
changes :notes in rails_admin views of student_material to be instructor_notes
migration to add student_notes to student_materials
add student_notes to student_material rails_admin edit and show views
update scope on creating student_materials