Buyer views auction.

As an approved buyer I can place a bid.
As an unapproved buyer I cannot place a bid.
As a buyer I cannot select a winning bid.
User views list of buyers when clicking on investors.

What information to be displayed still needs to be hashed out.
Use nav_link helper to generate active li's in navbar for current page.
Seller can only select one invoice when creating auction.
Seller views debtor popup from company profile page.