Merge pull request #5156 from spicyj/bp-codemods

Mention codemods more prominently in release blog

_posts/2015-10-07-react-v0.14.md

@@ -15,6 +15,8 @@ Like always, we have a few breaking changes in this release. We know changes can
 
 If your code is free of warnings when running under React 0.13, upgrading should be easy. We have two new small breaking changes that didn't give a warning in 0.13 (see below). Every new change in 0.14, including the major changes below, is introduced with a runtime warning and will work as before until 0.15, so you don't have to worry about your app breaking with this upgrade.
 
+For the two major changes which require significant code changes, we've included [codemod scripts](https://github.com/facebook/react/blob/master/packages/react-codemod/README.md) to help you upgrade your code automatically.
+
 See the changelog below for more details.
 
 ## Installation