Update dependencies.

package.json

@@ -13,20 +13,20 @@
   },
   "dependencies": {
     "bignum": "git://github.com/RichardBsolut/node-bignum.git",
-    "bluebird": "~2.1.3",
+    "bluebird": "^2.2.1",
     "body-parser": "~1.4.3",
     "buffertools": "2.1.2",
     "consolidate": "0.10.0",
     "cookie-parser": "~1.3.1",
-    "csurf": "~1.2.2",
+    "csurf": "^1.3.0",
     "date-utils": "~1.2.16",
-    "express": "~4.4.4",
-    "express-session": "~1.5.1",
+    "express": "^4.5.1",
+    "express-session": "^1.6.4",
     "fs-session": "0.1.2",
     "hogan.js": "~3.0.2",
     "node-uuid": "1.4.1",
     "nodemailer": "~0.7.0",
-    "request": "2.36.0",
+    "request": "^2.37.0",
     "sequelize": "~1.7.9",
     "validator": "~3.16.0",
     "winston": "0.7.3",

source/webapp.js

@@ -109,6 +109,8 @@ function WebApp(config, logger) {
 		}));
 		self.app.use(cookieParser());
 		self.app.use(session({
+			resave: false,
+			saveUninitialized: false,
 			secret: self.config.get('web.secret'),
 			store: new fsSession()
 		}));