chore(package): update socket.io-client to version 2.1.1

Closes #392

Author: greenkeeper[bot]

package.json

@@ -47,7 +47,7 @@
     "mocha": "3.3.0",
     "nodemon": "1.11.0",
     "phantomjs-prebuilt": "2.1.14",
-    "socket.io-client": "2.0.1",
+    "socket.io-client": "2.1.1",
     "watch": "1.0.2",
     "watchify": "3.9.0"
   },