Adds search for term of course
More additions and modifications to LaTeX editor. In particular, more buttons.
Pre-populates dropdown items and hence closes #7.
Merge branch 'develop' of https://github.com/wayneyu/merapp into develop

Conflicts:
	app/controllers/QuestionController.scala
	app/views/question.scala.html
	conf/routes
	public/javascripts/question.js
Adds stub for course and exam page, relates to #8.
Add browse page for browsing exam for a year and term