We have installed OpenCart and would like to have it modified so that it can handle multiple merchants instead of just one merchant. The project will need to be scoped out a bit more than I will detail here, but here's the basics: 1) We have already created a new database table named 'merchants' based on the 'manufacturers' table 2) When the 'merchant_id' parameter is passed into the site, the template should grab the logo image based on that id. (And set the parameter value as a cookie). 3)...