Move what's executed before actions before them
Redirect to question results when quiz question answered
Fix redirect in quiz questions if question answered
Display quiz title as page title for all quiz pages
Display how many questions left

TODO: Handle "0 questions left"
Show different text on last question's results
Show score on quiz results

Also, don't let the user to see quiz results if they didn't answer all
the questions.
Merge branch 'master' of github.com:jgonera/howwrong