chore(package): update express to version 4.14.1 (#3445)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -22,7 +22,7 @@
     "body-parser": "1.16.0",
     "commander": "2.9.0",
     "deepcopy": "0.6.3",
-    "express": "4.14.0",
+    "express": "4.14.1",
     "intersect": "1.0.1",
     "lodash": "4.17.4",
     "lru-cache": "4.0.2",