feat(package.json): add "react-display-name" to dependencies

Author: tomchentw

package.json

@@ -110,6 +110,7 @@
     "invariant": "^2.2.1",
     "lodash": "^4.16.2",
     "marker-clusterer-plus": "^2.1.4",
+    "react-display-name": "^0.2.0",
     "react-prop-types-element-of-type": "^2.2.0",
     "scriptjs": "^2.5.8",
     "warning": "^3.0.0"