Use a font awesome icon class that actually exists

This displays a play icon instead of warning triangle.
Measures to make the page validate as html5

url-encode parameters, remove unused/unimportant href=# and IE-specific stuff
Update information about Emil Wall
Better quiz result handling
Merge branch 'master' of https://github.com/rasmushaglund/Partisk into emilwall-master

Conflicts:
	app/Model/Question.php
Merge branch 'master' of git://github.com/emilwall/Partisk into emilwall-master

Conflicts:
	app/View/Pages/index.ctp
Merge branch 'master' of git://github.com/emilwall/Partisk

Conflicts:
	app/View/Pages/index.ctp
Merge branch 'emilwall-master'