Update react and react-dom peerDependencies (braposo#31)

Update react and react-dom peerDependencies

Author: braposo

package.json

@@ -69,8 +69,8 @@
         "webpack-cli": "^3.1.2"
     },
     "peerDependencies": {
-        "react": "^15.0.1",
-        "react-dom": "^15.0.1"
+        "react": "^15.0.1" || "^16.0.1",
+        "react-dom": "^15.0.1" || "^16.0.1"
     },
     "dependencies": {
         "cxs": "^6.2.0",