Added seed data
Added cart functionality, remove cart pending
Merge branch 'master' into cart

Conflicts:
	app/views/layouts/application.html.haml
	config/routes.rb
Merge branch 'items-seed' into cart

Conflicts:
	app/views/layouts/application.html.haml
Add to Cart working
Remove from cart is working
Changed cart initializer to allow for no item_ids at instantiation
Merge pull request #12 from TIY-iron-shop/cart

Cart Functionality Added/Merged