Merge pull request #97 from YungSang/topic

Follow changes in lib/cucumber/chef/helpers/server.rb
use bootstrap user to push; use UI class
refactored to use UI class
bug fix
require ztk 1.0 now
updated cc-hooks
use 10.18.2 as the default chef version for now
pass the chef version into the bootstrap erb template
pass the chef version to the omnibus installer
version bump: 2.1.0.rc.7
derp; should be run_remote not chroot
house cleaning; added render_client_rb chef boolean
render the chef-client client.rb if we are configured to
version bump
house cleaning
Revert "pin a dependency on gherkin; don't let it go over 2.11.5 as that breaks JSON gem dependencies with Chef and a few other gems."

This reverts commit 891b2ea849018273be3924a35619d93f4636926e.
Merge pull request #100 from Lytro/loosen_gherkin_requirement

Revert "pin a dependency on gherkin; don't let it go over 2.11.5 as that breaks JSON gem dependencies with Chef and a few other gems."
removing vagrant internal deps
remove the rest of the vagrant internal deps
version bump: 2.1.0.rc.9