Updated link to planet (unknown author)

index.html

@@ -8,7 +8,7 @@
   <noscript>
    <meta http-equiv="refresh" content="10;" />
   </noscript>
-  <link rel="stylesheet" href="https://secure.ucc.asn.au/~planet/planet.css" type="text/css" media="screen" />
+  <link rel="stylesheet" href="https://planet.ucc.asn.au/planet.css" type="text/css" media="screen" />
   <link rel="stylesheet" href="webcam-overrides.css" type="text/css" media="screen" />
   <script type="text/javascript" src="webcams.js"></script>
 </head>