Merge pull request #4 from dylanerichards/master

Devise Users, User associations
Merge pull request #5 from dylanerichards/master

added sign up/in buttons to navbar to make registrations/sessions availa...
added create a new question button when signed in
Merge pull request #6 from dabeeya/master

added create a new question button when signed in
display answers on question show view
merge conflict of PagesController resolved
added form to new and edit Question views