Update librarian-puppet
Update puppet-lint
Update rake
Update rspec-puppet and serverspec
Update puppet to v3
Downgrade librarian-puppet again for Ruby 1.8.7 compat
Install Puppet 3.7 inside Vagrant machine
Tweak rake vagrant:provision
Wipe any Puppet gem installations
Merge pull request #7 from Jimdo/puppet3

Update skeleton to Puppet version 3