Update travis.yml to latest versions of puppet
Update travis.yml to latest versions of puppet

Signed-off-by: Ken Barber <470bc578162732ac7f9d387d34c4af4ca6e1b6f7@bob.sh>

puppetlabs/puppetlabs-apt,gwdg/puppetlabs-apt,imphil/puppetlabs-apt,gizmoguy/puppetlabs-apt,imphil/puppetlabs-apt