Improved course.html and courses.html.
Combined course enrollment into course homepage.
Minor improvements for consistency and for ease of use.
Some thoughts for “user.html”.
More info from user_select.php.
test fix

test fix caused by integer overflow
remove unused files

remove unused files
Intermediary commit prior to pull.
Merge remote-tracking branch 'origin/back-end-working' into back-end-working
Major edits across the board while removing sections and implementing test administration.
Merge remote-tracking branch 'origin/master' into back-end-working
Pulled from master.