Merge pull request #29 from ipfs/greenkeeper-ipfs-blocks-0.2.0

Update ipfs-blocks to version 0.2.0 🚀

Author: daviddias

package.json

@@ -55,7 +55,7 @@
     "async": "^1.5.2",
     "block-stream2": "^1.1.0",
     "debug": "^2.2.0",
-    "ipfs-blocks": "^0.1.2",
+    "ipfs-blocks": "^0.2.0",
     "ipfs-merkle-dag": "^0.4.0",
     "ipfs-unixfs": "^0.1.0",
     "through2": "^2.0.0"