Update models/answer.py

fixed newRating calculation
Merging sakai.chozo.nl changes into this branch for shizzles.
Blackboard style
added rate button to student_index
fixed dexters div slide error thingie
CSS fixes
added rankresult link
Fix small page,
Fix active for questions bug
Fix get good booleans for questions
added button for ranking to student index
Merge branch 'groep7'
Merge branch 'groep7' of https://github.com/v1kko/SWE_2013_Groep2 into merger
Blackboard theme update
Merge branch 'groep7' of github.com:v1kko/SWE_2013_Groep2 into groep7
Merge branch 'groep7' of github.com:v1kko/SWE_2013_Groep2 into groep7

Conflicts:
	static/css/style.css
	templates/question_list_tbl.html
Merge branch 'master' of https://github.com/v1kko/SWE_2013_Groep2 into merger

Conflicts:
	models/answer.py
	static/css/style.css
	templates/question_list_tbl.html
Coffee merge
bla
added rate it button to student answer page
Merge branch 'master' of https://github.com/matthijsbos/SWE_2013_Groep2 into merger
Merge branch 'master' of https://github.com/v1kko/SWE_2013_Groep2 into merger

Conflicts:
	static/css/style.css
	templates/question_list_tbl.html