first commit
Making pictures show at /pictures
Making each picture show at it's own URL using static routes
Refactoring Step #4 to use dynamic routes
Adding feature to create new picture using HTML form
Creating Picture model in database
Moving @pictures in pictures_controller.rb into database
Refactoring to save new pictures in database
Configuring root as pictures#index
Refactoring views to use helpers and adding navigation
Adding feature to edit pictures
Adding feature to delete pictures
Refactoring routes to use resources