added missing scheme in toastr urls

Author: Raanan Nevet

www/lendingbot.html

@@ -34,8 +34,8 @@
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
 
     <!-- toastr -->
-    <script src="//cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.js"></script>
-    <link href="//cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.css" rel="stylesheet">
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.js"></script>
+    <link href="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.css" rel="stylesheet">
 
     <script src="lendingbot.js?version=1" ></script>