So that we don't have to specify branding on all tiles. It can be inherited from the `visual` elt so we should have the ability to set this somehow. from http://blogs.msdn.com/b/tiles_and_toasts/archive/2015/06/30/adaptive-tile-templates-schema-and-documentation.aspx
So that we don't have to specify branding on all tiles. It can be inherited from the
visualelt so we should have the ability to set this somehow.from http://blogs.msdn.com/b/tiles_and_toasts/archive/2015/06/30/adaptive-tile-templates-schema-and-documentation.aspx