Add classification plugin to intro
Add classification plugin to intro

binford2k/pltraining-classroom,carthik/pltraining-classroom,samuelson/pltraining-classroom,puppetlabs/pltraining-classroom,samuelson/pltraining-classroom,puppetlabs/pltraining-classroom,samuelson/pltraining-classroom,puppetlabs/pltraining-classroom,carthik/pltraining-classroom,carthik/pltraining-classroom,joshsamuelson/pltraining-classroom,binford2k/pltraining-classroom,binford2k/pltraining-classroom,joshsamuelson/pltraining-classroom,fnaard/pltraining-classroom,fnaard/pltraining-classroom,joshsamuelson/pltraining-classroom,fnaard/pltraining-classroom