Log Message:
devel/ruby-mixlib-authentication: update to 2.1.1

2.1.1 (2018-06-08)

Merged Pull Requests

* Silence the warning for the default positional args case #39 (coderanger)

2.1.0 (2018-05-31)

Merged Pull Requests

* Support signing with ssh-agent (round two) #36 (coderanger)

* Forgot to put sign_version in the opts which would make it nil when p… #37
  (coderanger)

* bump version to 2.1.0 #38 (thommay)

2.0.0 (2018-04-12)

Merged Pull Requests

* Move mixlib-auth debugging to trace level #32 (thommay)