Tweak jenkins script
Tweak jenkins script

Set as bash, and fail on any error return code

alphagov/govuk_elements,joelanman/govuk_elements,gavboulton/govuk_elements,gavboulton/govuk_elements,alphagov/govuk_elements,gavboulton/govuk_elements,alphagov/govuk_elements,gavboulton/govuk_elements,joelanman/govuk_elements,alphagov/govuk_elements