title: How to tell when all visible tiles have fully loaded?
body: <p>Is there an event (or other method) to detect when all <em>visible</em> tiles have been downloaded and displayed with leaflet? (Similar to <a href="https://stackoverflow.com/questions/5858863/google-maps-event-that-is-called-when-all-visible-map-tiles-are-loaded">Google Maps event that is called when all visible map tiles are loaded</a>, but for leaflet instead)</p>