bundle jsx and react-tools as dev-dependencies

[mderazon]

running

$ npm run build

relies on the user to have jsx and react-tools installed globally.

IMO it's much better to bundle them locally in package.json.
This way the command will run without any external dependencies.

[hai-cea]

@mderazon I show react-tools is a dev-dependency in the package.json?

https://github.com/callemall/material-ui/blob/master/package.json#L40

[mderazon]

My bad, you're right.

For some reason, it didn't build when I tried it. Tried it again and it seems fime