Update React and JSXTransformer to 0.11.1

Update due to the original JSXTransformer 0.11.0 causing

    "SyntaxError: Identifier 'loadScripts' has already been declared ..."

which was fixed at https://github.com/facebook/react/commit/067644a4ae51c395c263f29f1b7bfdf791df77aa
Bump version to 0.3.0

 - React 0.11.1
 - stubModules suggestion in the README
 - harmony support