Remove deprecation warning in react 15.6.0 about React.DOM.noscript

[ingro]

As the title, this change remove the soon-will-be-deprecated use of React.DOM factories with the new drop-in package react-dom-factories instead.

I also added cross-env package to be able to run tests on windows.

Upgrade Path (for changed or removed APIs):
Nothing needed.

Acceptance Checklist:

• All commits have been squashed to one.
• The commit message follows the guidelines in CONTRIBUTING.md.
• Documentation (README.md) and examples have been updated as needed.
• If this is a code change, a spec testing the functionality has been added.
• If the commit message has [changed] or [removed], there is an upgrade path above.

[diasbruno]

Hi @ingro, can you have a look at PR #395? Hope we ca use it to simplify a little bit (the portal mechanism).

[ingro]

Hello @diasbruno , I wasn't aware of that PR, your solution is surely better on the long-term, I wanted just to get rid of a deprecation notice! :P

[diasbruno]

Yeah, that's ok. :)
Do you mind help me with some tests? I think it just need to be tests on react@0.14.

[diasbruno]

I think you just need to remove the cross-env and we are good to make a release with this. Thank you.

[diasbruno]

This is out of scope.

[andrewjmead]

While the warning about React.DOM.noscript is gone, there is still a warning related to React.DOM.div. Both are related to the new react-dom-factories depreciation. It's coming from this.

You can fix this by modifying lib/components/ModalPortal.js:

// Require lib
var DOMFactories = require('react-dom-factories');

// Then replace this
var div = React.DOM.div;
// With this
var div = DOMFactories.div;

New warning

Warning: Accessing factories like React.DOM.noscript has been deprecated and will be removed in v16.0+. Use the react-dom-factories package instead.  Version 1.0 provides a drop-in replacement.

Previous Warning

Warning: Accessing factories like React.DOM.div has been deprecated and will be removed in v16.0+. Use the react-dom-factories package instead.  Version 1.0 provides a drop-in replacement. For more info, see https://fb.me/react-dom-factories

[diasbruno]

Released v1.9.6.
@ingro I've added @andrewjmead changes to your PR, removed cross-env and fixed both test and example.
Your patch is 91e1a67.
Thank you.

[ingro]

Thank you! Sorry but I couldn't reply earlier!

[diasbruno]

No problem, @ingro. We are close to get v2.0.0 merged, so I'm trying to get the last PRs merged, because I always have to rebase #412. :)
Please, open a PR for the cross-env.

[ingro]

Done! :D