Merge pull request #452 from ipfs/greenkeeper-hapi-15.0.3

Update hapi to version 15.0.3 🚀

Author: daviddias

package.json

@@ -66,7 +66,7 @@
     "detect-node": "^2.0.3",
     "fs-blob-store": "^5.2.1",
     "glob": "^7.0.5",
-    "hapi": "^14.0.0",
+    "hapi": "^15.0.3",
     "ipfs-api": "^8.0.3",
     "ipfs-bitswap": "^0.6.0",
     "ipfs-block": "^0.3.0",