Leveraging the core "Display Site Title and Tagline" Customizer option with Site Logo
Update (4/18/17): “While this article is technically accurate, there’s a better way of doing this. Stay tuned for an update.”
Update (4/18/18): “Due to a UX issue I will be pulling the content of this post to avoid spreading bad information. Will be resurrected with accurate information when I have the chance.”
Note: The original article content has been removed by the author. Only the above update notices remain.