Inject unstable_batchedUpdates in default entry point

Author: markerikson

src/index.js

@@ -3,4 +3,9 @@ import connectAdvanced from './components/connectAdvanced'
 import { ReactReduxContext } from './components/Context'
 import connect from './connect/connect'
 
-export { Provider, connectAdvanced, ReactReduxContext, connect }
+import { setBatch } from './utils/batch'
+import { unstable_batchedUpdates as batch } from './utils/reactBatchedUpdates'
+
+setBatch(batch)
+
+export { Provider, connectAdvanced, ReactReduxContext, connect, batch }