[Review] Request from 'aduffeck' @ 'SUSE/machinery/review_140806_fix_integration_tests'

Please review the following changes:
  * 42f3765 Add back missing environment variable which was lost in a merge error
  * 94cb252 Merge pull request #40 from SUSE/remove_obsolete_mkdir
  * 0f349bb Remove obsolete mkdir statement in Vagrantfile