Change return code
Change return code

Prior to this commit this resource was working but throughing an error
`err: /Stage[main]//Exec[node:parameters]/returns: change from notrun to
1 failed: rake node:parameters name=classroom.puppetlabs.vm
parameters=fact_is_puppetmaster=true returned 0 instead of one of [1] at
/root/foo.pp:9` because I forgot to set the exit code correctly

joshsamuelson/puppetlabs-training-bootstrap,samuelson/puppetlabs-training-bootstrap,carthik/puppetlabs-training-bootstrap,wbhamilton/puppetlabs-training-bootstrap,wbhamilton/puppetlabs-training-bootstrap,klynton/puppetlabs-training-bootstrap,wbhamilton/puppetlabs-training-bootstrap,johnduarte/puppetlabs-training-bootstrap,klynton/puppetlabs-training-bootstrap,marrero984/education-builds,kjhenner/puppetlabs-training-bootstrap,puppetlabs/puppetlabs-training-bootstrap,marrero984/education-builds,marrero984/education-builds,kjhenner/puppetlabs-training-bootstrap,samuelson/education-builds,joshsamuelson/puppetlabs-training-bootstrap,petems/puppetlabs-training-bootstrap,joshsamuelson/puppetlabs-training-bootstrap,samuelson/education-builds,petems/puppetlabs-training-bootstrap,johnduarte/puppetlabs-training-bootstrap,klynton/puppetlabs-training-bootstrap,samuelson/puppetlabs-training-bootstrap,kjhenner/puppetlabs-training-bootstrap,puppetlabs/puppetlabs-training-bootstrap,samuelson/education-builds,samuelson/puppetlabs-training-bootstrap,petems/puppetlabs-training-bootstrap,puppetlabs/puppetlabs-training-bootstrap,carthik/puppetlabs-training-bootstrap,johnduarte/puppetlabs-training-bootstrap,carthik/puppetlabs-training-bootstrap