If you love coffee, but hate the hassle of getting it all prepped and ready in the morning, HotShot coffee could be an excellent option. HOT coffee in a ready-to-drink can is not a new concept -- in fact in Japan, it is a $15 billion industry. Entrepreneur Danny Grossfeld was on a trip to Japan when he reached into what he thought was a cooler to grab a can of iced coffee. Much to his surprise, the can was hot and ready to drink. Grossfeld launched a Kickstarter campaign to bring a version of the…