Update Leaflet to 0.4.5

Fix wonky zoom animation in IE10 & Chrome23+

embed.html

@@ -8,8 +8,8 @@
         <meta name="viewport" content="width=device-width">
 
         <link rel="stylesheet" href="css/bootstrap.min.css">
-        <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.4/leaflet.css" />
-        <!--[if lte IE 8]><link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.4/leaflet.ie.css" /><![endif]-->
+        <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.css" />
+        <!--[if lte IE 8]><link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.ie.css" /><![endif]-->
         <style>
             .leaflet-popup-content { overflow: auto; }
             .table caption { font-weight: bold; font-size: 1.2em; text-align: left; }
@@ -22,7 +22,7 @@
         <div id="map"></div>
 
         <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
-        <script src="//cdn.leafletjs.com/leaflet-0.4.4/leaflet.js"></script>
+        <script src="//cdn.leafletjs.com/leaflet-0.4.5/leaflet.js"></script>
         <script src="js/plugins.js"></script>
         <script src="js/embed.js"></script>