Change ignore pattern so PMT honors it too
Change ignore pattern so PMT honors it too

With this pattern, `puppet module build` will honor the rules and omit fixtures from the published tarball.
fnaard/pltraining-classroom,binford2k/pltraining-classroom,samuelson/pltraining-classroom,puppetlabs/pltraining-classroom,carthik/pltraining-classroom,samuelson/pltraining-classroom,fnaard/pltraining-classroom,carthik/pltraining-classroom,binford2k/pltraining-classroom,puppetlabs/pltraining-classroom,fnaard/pltraining-classroom,joshsamuelson/pltraining-classroom,joshsamuelson/pltraining-classroom,carthik/pltraining-classroom,samuelson/pltraining-classroom,puppetlabs/pltraining-classroom,binford2k/pltraining-classroom,joshsamuelson/pltraining-classroom