added req.uid user id for logged in users, 0 for guests

src/routes/authentication.js

@@ -23,6 +23,11 @@
 		app.use(passport.initialize());
 		app.use(passport.session());
 
+		app.use(function(req, res, next) {
+			req.uid = req.user ? parseInt(req.user.uid) : 0;
+			next();
+		});
+
 		Auth.app = app;
 		Auth.middleware = middleware;
 	};