Add links to product page.
Add links to mini cart in header.
Add HTML form element to cart page and fix checkout buttons.
Change action on checkout page to get to the receipt.
Add links to "Write a review" on the flypages.
Add links to "Contact us".
Add links to order tracking.
Fix typos on orders page.
Add links to "Return orders".
Add links to "Sign in".
Add "Tab icon" (GH #1).
Add links to category page.