Support color flag

[jbussdieker]

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[chef-supermarket]

Hi. I am an automated pull request bot named Curry. There are commits in this pull request whose authors are not yet authorized to contribute to Chef Software, Inc. projects or are using a non-GitHub verified email address. To become authorized to contribute, you will need to sign the Contributor License Agreement (CLA) as an individual or on behalf of your company. You can read more on Chef's blog.

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• @jbussdieker

Please sign the CLA here.

[chris-rock]

@jbussdieker Thanks a lot for your contribution. In InSpec we set color to true as default value. I propose we do the same here. We allow the override, but set color default to true.

[chef-supermarket]

Hi. Your friendly Curry bot here. Just letting you know that all commit authors have become authorized to contribute. I have added the "Signed CLA" label to this issue so it can easily be found in the future.

[jbussdieker]

@chris-rock thanks for the feedback. I've updated the commit and test.

[chris-rock]

Awesome @jbussdieker LGTM!