Reset scroll position to top on render.

Prevents an issue where the next article would inherit the previous
article's scroll position.

Shared/Article Rendering/page.html

@@ -182,6 +182,7 @@
 
             function render(data) {
                 document.body.innerHTML = data.body;
+				window.scrollTo(0, 0);
 				var anchors = document.getElementsByTagName("a");
 				for (var i = 0; i < anchors.length; i++) {
 					anchors[i].addEventListener("mouseenter", function() { mouseDidEnterLink(this) });