[COOK-4441] Update documentation for supported versions

In commit b30b54156c36c554b56d4cfaa079f39c5042f715 a library was added
that will not work on Chef 10. This updates the user about what versions
of Chef are supported.
Release v2.0.2
Version bump to 2.0.3 (for development)
[COOK-4661] added patch package to _rhel recipe

Signed-off-by: Christopher Webber <cwebberops@gmail.com>
Version bump to 2.0.4
Publish 2.0.4 Changelog
Version bump to 2.0.5 (for development)