Update to cookbook to support Vagrant 1.1+

Vagrant 1.1+ is now installed system-wide so the Bundler requirement
(and associated Gemfile) have been removed! The README has been
updated to reflect new demo/dev environment installation and usage
instructions.
fixing foodcritic alerts
Merge pull request #28 from ranjib/foodcritic_fix

[COOK-2953] chef-server cookbook has foodcritic failures
Prevent re-download
Merge pull request #26 from Youscribe/create_if_missing

[COOK-2821] Prevent re-download
[COOK-3181] Remove TODO, add link to options
Merge pull request #30 from juliandunn/COOK-3181

[COOK-3181] Remove TODO, add link to options
Fix link to Chef Server Tunables

Fixes COOK-3028
Merge branch 'COOK-3028'
added test kitchen support
release v2.0.0
Merge tag '2.0.0' of git://github.com/opscode-cookbooks/chef-server

release v2.0.0