Merge pull request #54 from RamyElkest/greenkeeper/graphql-server-express-0.5.2

Update graphql-server-express to the latest version 🚀

Author: RamyElkest

package.json

@@ -53,7 +53,7 @@
     "express": "4.14.1",
     "express-session": "1.14.1",
     "graphql": "0.9.0",
-    "graphql-server-express": "^0.4.1",
+    "graphql-server-express": "^0.5.2",
     "graphql-subscriptions": "0.2.3",
     "graphql-tools": "0.8.0",
     "is-mongodb-running": "0.0.1",