Merge pull request #66 from justin808/react-devtools-fix

Enable React devtools by exposing React (setting window.React)
Fix erroneous file name reference in README.md

Changed the TodoApp.js reference to TodoApp.react.js to reflect the file tree.
Merge pull request #69 from melpomene/master

Fix erroneous file name reference in examples/flux-todomvc/README.md