Lock puppetlabs/ruby to 0.1.1

Current master branch of puppetlabs/ruby module breaks debian/ubuntu due to missing packages.

Author: danieldreier

spec/spec_helper_acceptance.rb

@@ -38,7 +38,9 @@
 mod 'stdlib',         :git => 'git://github.com/puppetlabs/puppetlabs-stdlib.git'
 mod 'apt',         :git => 'git://github.com/puppetlabs/puppetlabs-apt.git'
 mod 'concat',         :git => 'git://github.com/puppetlabs/puppetlabs-concat.git'
-mod 'ruby',           :git => 'git://github.com/puppetlabs/puppetlabs-ruby.git'
+mod 'ruby',
+  :git => 'git://github.com/puppetlabs/puppetlabs-ruby.git',
+  :ref => '0.1.1'
 mod 'puppetlabs_yum', :git => 'git://github.com/stahnma/puppet-module-puppetlabs_yum'
 mod 'puppetlabs_apt', :git => 'git://github.com/puppetlabs-operations/puppet-puppetlabs_apt.git'
 mod 'interval',       :git => 'git://github.com/puppetlabs-operations/puppet-interval.git'