Added/updated Gemfile

Gemfile

@@ -0,0 +1,21 @@
+source "https://rubygems.org"
+
+gem 'berkshelf',     '~> 2.0'
+gem 'chefspec',      '~> 2.0'
+gem 'foodcritic',    '~> 3.0'
+gem 'rubocop',       '~> 0.14'
+
+# group :development do
+#   gem 'guard',         '~> 2.0'
+#   gem 'guard-kitchen'
+#   gem 'guard-rubocop', '~> 1.0'
+#   gem 'guard-rspec',   '~> 3.0'
+#   gem 'rb-inotify',    :require => false
+#   gem 'rb-fsevent',    :require => false
+#   gem 'rb-fchange',    :require => false
+# end
+
+group :integration do
+  gem 'test-kitchen',    '~> 1.0.0'
+  gem 'kitchen-vagrant', '~> 0.13'
+end