Add React 16 to peerDependencies

Author: sonaye

package.json

@@ -69,8 +69,8 @@
     "webpack": "^1.13.0"
   },
   "peerDependencies": {
-    "react": "~0.14.8 || ^15.0.0",
-    "react-dom": "~0.14.8 || ^15.0.0"
+    "react": "~0.14.8 || ^15.0.0 || ^16.0.0",
+    "react-dom": "~0.14.8 || ^15.0.0 || ^16.0.0"
   },
   "dependencies": {
     "history": "^3.0.0",