Get rid of quizBackground since it's not being used

I think at one point this has some sort of paper texture for a
background but it doesn't anymore
Get rid of answer holder class

It was only being used to set the height of the area where the answers
show up and that's keeping us from getting responsive
Get rid of correctAnswer class

We can do the same thing with some p tags and strongs
Get rid of a lot of unused classes and unnecessary styles

haven't checked in IE
Create responsive breakpoints for mobile

Only optimized for mobile and desktop, haven't looked at tablet yet.
Removed unnecessary .empty() on final score display selections
Only select and manipulate the dom once to update and display final score
Update jQuery version to 1.10.2
Remove jquery.touchSwipe.js library

I think it was only for mobile and doesn't seem like it was working
anyway.
Merge branch 'master' into BadTestQuestions

Conflicts:
	assets/quizstyle2.css
	quiz.html
Fix height of resonse box

This was broken when we changed height to min-height in the master
stylesheet. Update height to min-height
Change response text on first question

Response is now same for both correct and incorrect, so we can do the
check outside the "correct" check. First question also now has no
"explanation" text as requested by Shawn
Change Google Analytics code to our news apps specific one