Trying to buy a house in a competitive market is perhaps one of the most stressful things an adult can go through. Competing with a bunch of people all putting offers on a house that fly off the market in a matter of days is not fun. One startup that is trying to give home buyers a competitive edge by giving them a way to offer all cash on a home has just raised a boatload of money to help it keep growing. Austin-based Homeward, which aims to help people…