Merge pull request #449 from ipfs/greenkeeper-interface-ipfs-core-0.22.0

Update interface-ipfs-core to version 0.22.0 🚀

Author: daviddias

package.json

@@ -61,7 +61,7 @@
     "eslint-plugin-react": "^6.7.1",
     "gulp": "^3.9.1",
     "hapi": "^15.2.0",
-    "interface-ipfs-core": "^0.21.0",
+    "interface-ipfs-core": "^0.22.0",
     "ipfsd-ctl": "^0.17.0",
     "pre-commit": "^1.1.3",
     "socket.io": "^1.5.1",