added favicons

src/app/partials/dashboard_topnav.html

 <div class="navbar navbar-static-top">
 	<div class="navbar-inner">
 		<div class="container-fluid">
-			<span class="brand"><img src="img/small.png" bs-tooltip="'Grafana'" data-placement="bottom"> {{dashboard.title}}</span>
+			<span class="brand"><img src="img/fav32.png" bs-tooltip="'Grafana'" data-placement="bottom"> {{dashboard.title}}</span>
 			<ul class="nav pull-right" ng-controller='DashboardNavCtrl' ng-init="init()">
 
 				<li ng-show="dashboardViewState.fullscreen">

src/index.html

@@ -9,6 +9,7 @@
 
     <title>Grafana</title>
     <link rel="stylesheet" href="css/grafana.dark.min.css" title="Dark">
+    <link rel="icon" type="image/png" href="img/fav16.png">
 
     <!-- build:js app/app.js -->
     <script src="vendor/require/require.js"></script>