add continuation-local-storage support

src/middleware/index.js

@@ -14,6 +14,7 @@ var meta = require('../meta'),
 	compression = require('compression'),
 	favicon = require('serve-favicon'),
 	session = require('express-session'),
+	cls = require('./cls'),
 	useragent = require('express-useragent');
 
 
@@ -73,6 +74,7 @@ module.exports = function(app) {
 
 	app.use(middleware.addHeaders);
 	app.use(middleware.processRender);
+	app.use(cls);
 	auth.initialize(app, middleware);
 
 	return middleware;