Upgrade express

Author: Pablo Seibelt

package.json

@@ -14,7 +14,7 @@
     "cookie-parser": "~1.3.5",
     "debug": "~2.2.0",
     "dotenv": "^1.2.0",
-    "express": "~4.13.1",
+    "express": "^4.14.0",
     "express-session": "^1.11.3",
     "http-proxy": "^1.11.2",
     "jade": "~1.11.0",