update rspec-puppet to v2.0.0

Gemfile

@@ -6,18 +6,15 @@ else
   gem 'puppet', :require => false
 end
 
-gem 'rake',                   :require => false
-gem 'puppetlabs_spec_helper', :require => false
-gem 'puppet-lint',            :require => false
-gem 'puppet-syntax',          :require => false
-# The verify_contents method invocations have been updated to work with
-# rspec-puppet 1.0.1+ but are now incompatible with <= 1.0.1
-# https://github.com/rodjek/rspec-puppet/issues/235
-gem 'rspec-puppet',
-  :git => 'https://github.com/rodjek/rspec-puppet.git',
-  :ref => '6ac97993fa972a15851a73d55fe3d1c0a85172b5',
-  :require => false
-# rspec 3 spews warnings with rspec-puppet 1.0.1
-gem 'rspec-core', '~> 2.0',   :require => false
+group :development, :test do
+  gem 'rake',                    :require => false
+  gem 'puppetlabs_spec_helper',  :require => false
+  gem 'puppet-lint', '>= 1.1.0', :require => false
+  gem 'puppet-syntax',           :require => false
+  gem 'rspec-puppet',
+    :git     => 'https://github.com/rodjek/rspec-puppet.git',
+    :ref     => 'v2.0.0',
+    :require => false
+end
 
 # vim:ft=ruby