Changed readme file

Added helpful copy

Added My Account link and made general improvements

Added autoprefixer to gem file

Made improvements to user index page

Added index action and updated link

Made style improvements to user profile page

Added file field for image upload on profiles

Added avatar column to Profiles table

Added paperclip gem for image uploads

Added before filters to check correct users

Added update action

Added form partial and edit action

Added helpful comment when user profile is not created

Home page improvements