Merge pull request #55 from fastify/greenkeeper/fastify-2.7.0

chore(package): update fastify to version 2.7.0

Author: mcollina

package.json

@@ -32,7 +32,7 @@
     "fastify-plugin": "^1.5.0"
   },
   "devDependencies": {
-    "fastify": "^2.6.0",
+    "fastify": "^2.7.0",
     "pg": "*",
     "pg-native": "^3.0.0",
     "standard": "^13.0.1",