audit: allow skipping audit methods.

[MikeMcQuaid]

Add --only and --except methods which can be used to selectively enable or disable audit groups.

CC @ilovezfs is this what you had in mind? Is this useful to you?

[MikeMcQuaid]

@GauthamGoli Thoughts on best way to approach this with RuboCop? Would be great to have similar functionality there.

[GauthamGoli]

@MikeMcQuaid Similar functionality is possible. RuboCop also has --only and --except options, Registry class keeps track of all cops in an array. The cops can be filtered based on --only and --except and pass them as options to check_style_json call in style.rb

[MikeMcQuaid]

@GauthamGoli A PR that passed those through would be amazing. You up for that?

[GauthamGoli]

@MikeMcQuaid Yeah, I will submit a PR.