remove turbolinks from Gemfile
remove turbolinks and jquery_uis from application.js
change listing of promotions to be more interactive
fix attributes for promotions
remove backup application tempalte
add image for about page
change image source for about tempalte
rename application.css for sass and add style for about image
add styles for about page
add gridding to show.slim
refactor individual page for promotions
alter structure of individual promotions
add styles to how pricing is displayed
refactor index.slim to use a promotion partial
create promotions helper with price_to_currency converter
add include to for PromotionsHelper
add price to currency processing to promotion partial
remove include statement, because of naming convention
refactor price_to_currency for more versatile usage
add price_to_currency to show templates