Add favicon

tower/ui/index.html

@@ -5,6 +5,7 @@
         <title>NOC Tower: {{ installation_name }}</title>
         <!-- Load used libraries -->
         <link rel="stylesheet" href="{{ hashed("/ui/pkg/webix/webix.css") }}" type="text/css">
+        <link rel="icon" type="image/png" href="{{ hashed("/ui/pkg/favicon/airport.png") }}">
         <script src="{{ hashed("/ui/pkg/webix/webix.js") }}" type="text/javascript"></script>
         <!-- Load selected skin -->
         <script src="{{ hashed("/ui/skin.js") }}" type="text/javascript"></script>