Update favicons

src/pineapple/index.html

@@ -8,6 +8,8 @@
     <link rel="stylesheet" type="text/css" href="css/main.css">
     <link rel="shortcut icon" href="img/favicon.ico" type="image/x-icon">
     <link rel="icon" href="img/favicon.ico" type="image/x-icon">
+    <link rel="icon" href="img/favicon-32x32.png" type="image/png" sizes="32x32">
+    <link rel="icon" href="img/favicon-16x16.png" type="image/png" sizes="16x16">
     <script src="js/vendor/jquery.min.js"></script>
     <script src="js/vendor/bootstrap.min.js"></script>
     <script src="js/vendor/angular.min.js"></script>