try to fix Dir.mkdir bug that was failing in Codeship but succeeding locally
try to fix Dir.mkdir bug that was failing in Codeship but succeeding locally

mkoon/gradecraft-development,UM-USElab/gradecraft-development,mkoon/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,UM-USElab/gradecraft-development,mkoon/gradecraft-development