Update score_report to return hash of correct and incorrect responses
Update show_quiz controller method to reflect score_report changes
Update user_scores view  visually differentiated correct and incorrect responses
Add wine_bringer to score hash to display wine bringer's name in my_results
Move user name fetching to user model
Display wine bringers name instead of number
Merge pull request #71 from mud-turtles-2014/refine_scoring

Refine scoring