Merge pull request #106 from node-red/greenkeeper/node-red-0.20.4

Update node-red to the latest version 🚀

Author: knolleary

package.json

@@ -24,7 +24,7 @@
         }
     ],
     "dependencies": {
-        "node-red": "0.20.3",
+        "node-red": "0.20.4",
         "node-red-node-msgpack": "*",
         "node-red-node-base64": "*",
         "node-red-node-suncalc": "*",