Added auto title HTML decoder

As per ctrlcctrlv#518
This should automatically be done by PHP, but for now, here's a dirty fix.

js/decode-title.js

@@ -0,0 +1,7 @@
+function decodeEntities(encodedString) {
+    var textArea = document.createElement('textarea');
+    textArea.innerHTML = encodedString;
+    return textArea.value;
+}
+
+$("title").text(decodeEntities($("title").text()));