Refactored step#6 to use Form helpers
Creating picture model in database
Refactored to save pictures to database; changed caption text
Root set to index.html.erb
Refactoring views to use helpers and adding navigation; added img class through link_to
Refactored CSS to properly display a and img in different pages; a tags no longer take up full width of page; fixed new picture by adding #new action in controller and fixing typo in the routes