fix(package): update react to version 16.1.0

Closes #484

Author: greenkeeper[bot]

package.json

@@ -79,7 +79,7 @@
     "material-ui": "^0.18.0",
     "moment": "^2.17.1",
     "prop-types": "^15.5.10",
-    "react": "^15.6.1",
+    "react": "^16.1.0",
     "react-cookie": "^2.0.7",
     "react-dom": "^16.0.0",
     "react-draggable": "^3.0.3",