Send current commit sha to downstream jobs.
Send current commit sha to downstream jobs.

Set a flag on those apps that are using the centralised buildProject
script. If so, don't wait for them to complete; they will report their
status individually to the triggering PR.

Removed the reporting of times to statsd as it will not work with
jobs that do not wait for completion.

alphagov/govuk-content-schemas,alphagov/govuk-content-schemas