add question and answer models / migrations
add questions controller and views
add question and answer empty specs
add question foreign key to answer
add question / answer associations and specs
install rspec
Merge branch 'master' into question_answer_models
add question routes
questions controller index specs
add factory girl and database cleaner
add basic question answer factories
add basic index view
fix syntax in routes
questions controller show spec
add question show view fix question index view
questions controller show spec