Material UI - OnChange text field

[DenisCarriere]

Modified the signature of OnChange for the Text Field.

Please fill in this template.

• Make your PR against the master branch.
• Use a meaningful title for the pull request. Include the name of the package modified.
• Test the change in your own code. (Compile and run.)
• Follow the advice from the readme.
• Avoid common mistakes.
• Run tsc without errors.
• Run npm run lint package-name if a tslint.json is present.

Select one of these and delete the others:

If changing an existing definition:

• Provide a URL to documentation or source code which provides context for the suggested changes: http://www.material-ui.com/#/components/text-field

End state of the code looks like this

<TextField
  hintText='Name'
  onChange={(e, value) => this.setState({name: value})}
  floatingLabelText='Name'
/>

[dt-bot]

material-ui/index.d.ts

to authors (@ngbrown @herrmanno). Could you review this PR?
👍 or 👎?

Checklist

• pass the Travis CI test?

[mhegazy]

@ligaz @prashaantt @ewgenius @CarsonF and @DenisCarriere can you review this change.

[DenisCarriere]

Still good on my side, but I'm the one who submitted the PR. This change is described in their docs and I've had to create a custom .d.ts file to be able to compile my typescript file when using material ui