#225 Admin can set special price
#225 Special price is displayed if product is on special
#279 Actual price calculation and display
#280 Historical prices are saved in order items
#271 Admin can view list of categories / edit each category
#271 Admin can delete categories
#271 Admin can create categories
#259 Admin can update products
#259 Admin can delete products
#259 Admin can create products
#281 Unactive products filtered out
#272 Admin can mark product as "Featured" / Featured products are displayed on the main page
#276 Twitter setup
Minor fix