While the U.S. housing market and home lending levels in 2014 continued an uneven recovery from the Great Recession of 2008-2009, the coming year could see many of those gaps finally filled in as economic and job growth in the U.S. accelerates and consumers benefit from low inflation thanks to plunging gasoline and energy prices. So if you're buying or selling a home in 2015, or looking to make an investment in real estate, here are some things to watch for in the coming year.