Change version of react binding to 1.2.x

package.json

@@ -6,6 +6,6 @@
     "onsenui": "2.2.x",
     "react": "15.4.2",
     "react-dom": "15.4.2",
-    "react-onsenui": "1.1.x"
+    "react-onsenui": "1.2.x"
   }
 }