[COOK-3095] Add Test Kitchen support

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
Update CHANGELOG format
Fix whitespace
Fix README format
Version bump to v0.9.8
Bump devodd release
[COOK-3531] Use hostname as default instance name

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
Version bump to v0.9.10
Version bump to v0.9.11