Another round of small changes

- Create menu 'component' to automatically update current li with
class="active".
 - Create new Hall of Fame tabs for Lvl 1/2 (not Foundation code).
- Fix quiz instruction dialog to not start quiz when closed.
- Add validation for 'Enter Initials' and 'Brag' forms.
- Get brag form to submit successfully.
- Have quizzes pull random 10 questions from bank and display in random
order.
- Clean up and optimize code.