[COOK-3056] Allowing custom prefix for sudoers and sudoers.d

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
Update CHANGELOG format
Fix README format
Version bump to v2.2.0
Bump devodd release
[COOK-3431] Fix `visudo` file validation test

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-3610] Document runas attribute for LWRP

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-3572] Add Test Kitchen, Specs, Travis CI

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
Update TESTING.md formatting [ci skip]
Update README.md formatting [ci skip]
[COOK-3653] Change template attribute to `kind_of` String

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
Version bump to v2.2.2
Version bump to v2.2.3
Merge remote-tracking branch 'upstream/master'

Conflicts:
	attributes/default.rb
	recipes/default.rb