Now the home shelf scrolling works better for large libraries, and the media…

Now the home shelf scrolling works better for large libraries, and the media shelf also pulls in media app related updates for What's New

Also added a way to set launch options and specify what category you want the app or game to show up in

The Launch Options will also let us force windowing type, launch type (app or leanback), and force arguments (GLES or Vulkan) for some apps and games