Please update to 2.2.4

[lolobosse]

That would be super great if we had a out-of-the-box react trello app example with the latest version.

Currently, if you change the 2.1 to 2.2 in package.json, you get following error:

Uncaught TypeError: Cannot read property 'GlobalStyle' of undefined
    at Board.render (Board.js:57)
    at finishClassComponent (react-dom.development.js:8307)
    at updateClassComponent (react-dom.development.js:8275)
    at beginWork (react-dom.development.js:8896)
    at performUnitOfWork (react-dom.development.js:11708)
    at workLoop (react-dom.development.js:11731)
    at HTMLUnknownElement.callCallback (react-dom.development.js:104)
    at Object.invokeGuardedCallbackDev (react-dom.development.js:142)
    at invokeGuardedCallback (react-dom.development.js:191)
    at replayUnitOfWork (react-dom.development.js:11218)