fix #377: add favicon url as optional settings.json parameter

src/node/hooks/express/specialpages.js

@@ -24,8 +24,8 @@ exports.expressCreateServer = function (hook_name, args, cb) {
     });
   });
 
-  //serve favicon.ico
-  args.app.get('/favicon.ico', function(req, res)
+  //serve favicon.ico from all path levels
+  args.app.get( /\/favicon.ico$/, function(req, res)
   {
     var filePath = path.normalize(__dirname + "/../../../static/custom/favicon.ico");
     res.sendfile(filePath, function(err)

src/node/utils/Settings.js

@@ -34,6 +34,11 @@ exports.root = path.normalize(path.join(npm.dir, ".."));
  */
 exports.title = "Etherpad Lite";
 
+/**
+ * The app favicon fully specified url, visible e.g. in the browser window
+ */
+exports.favicon = "favicon.ico";
+
 /**
  * The IP ep-lite should listen to
  */