The 2015 Disney Accelerator powered by Techstars, a program designed to accelerate the growth of start-up companies from around the world, hosted a Demo Day where the 10 participating companies presented their businesses to the investment and entrepreneurial communities, industry leaders and Disney executives. Many of the companies announced product launches and funding, as well as new relationships and programs with several divisions of The Walt Disney Company, including ABC, Disney Consumer Products and Interactive Media, ESPN, Lucasfilm, Marvel, Walt…