Replace older unofficial work with latest stable official release - Einarc v2.0 is out
  - Update .gitignore to ignore Gemfile.lock and Berksfile.lock
  - Merge in the update from GreyCat
  - We should not have a Vagrantfile laying around
  - Update Gemfile to use test-kitchen/master

Signed-off-by: Scott M. Likens <scott@likens.us>