complete user account registration feature
complete user sign in
test does not pass; Capybara cannot locate Sign out
complete user signs out
complete user edit profile feature
complete user sign out feature
setting up user creates ad feature
create new ad spec is not passing yet
complete create_new_ad_spec feature
complete view_ads_spec testing, ad dispalys by category
change my_postings to my_ads
complete manages_owns_ads_spec
finish admin_manages_category_spec feature
complete admin_manages_city_spec feature
configure AppController, LocalesController for internationalization
add some foundation styling
added background image to index page
add table to user profile page
create pictures table
add carrierwave, use Rmagick to create thumbnails and resize photo