Add explicit role-path to kitchen.yml

Before this PR role path was searched with regex in the docroot.
Now it's explicitly declared.

Also added two gems to gemfile for faster copying to virtualbox

.kitchen.yml

@@ -53,5 +53,7 @@ suites:
   hosts: all
   ansible_verbose: true
   ansible_version: 1.9.2
+  ansible_diff: true
+  roles_path: ../ansible-os-hardening/
   provisioner:
     playbook: test/integration/playbooks/default.yml

Gemfile

@@ -4,26 +4,24 @@ source 'https://rubygems.org'
 
 group :test do
   gem 'rake'
-#  gem 'chefspec',   '~> 4.2.0'
   gem 'foodcritic', '~> 4.0'
   gem 'thor-foodcritic'
-#  gem 'rubocop',    '~> 0.28.0'
   gem 'coveralls',  require: false
 end
 
 group :development do
   gem 'guard'
   gem 'guard-rspec'
   gem 'guard-kitchen'
-#  gem 'guard-rubocop'
-#  gem 'guard-foodcritic'
 end
 
 group :integration do
   gem 'test-kitchen', '~> 1.0'
   gem 'kitchen-ansible'
   gem 'kitchen-vagrant'
   gem 'kitchen-sharedtests', '~> 0.2.0'
+  gem 'kitchen-sync'
+  gem 'kitchen-transport-rsync'
 end
 
 group :openstack do