favicon added (#1024)

Author: martin-henz

docs/jsdoc/templates/template/tmpl/layout.tmpl

@@ -5,7 +5,7 @@
     <title><?js= header ?></title>
     <link rel="shortcut icon"
 	  type="image/x-icon"
-	  href="/images/favicon.ico" />
+	  href="/images/sourcepower.ico" />
     <script src="scripts/prettify/prettify.js"> </script>
     <script src="scripts/prettify/lang-css.js"> </script>
     <!--[if lt IE 9]>