added a couple of very basic help page FAQs
start/resume course at next incomplete lesson - update

In addition to lesson links, student can click Start or Resume lesson
button. Toggles depending on user progress in course. On click, system
will play first incomplete lesson in lesson order.
Merge remote-tracking branch 'origin/master' into Kevin

Conflicts:
	code/sweng500app/app/controllers/courses_controller.php