Merge pull request #144 from ipfs/greenkeeper-peer-info-0.6.1

peer-info@0.6.1 breaks build ⚠️

Author: daviddias

package.json

@@ -92,7 +92,7 @@
     "lodash.set": "^4.0.0",
     "multiaddr": "^1.3.0",
     "peer-id": "^0.6.6",
-    "peer-info": "^0.6.0",
+    "peer-info": "^0.6.1",
     "ronin": "^0.3.11",
     "temp": "^0.8.3"
   }