A couple of fixes to gunicorn_start
A couple of fixes to gunicorn_start

* Set NAME correctly
* Don't log environment variables which haven't yet been set

annapowellsmith/openpresc,annapowellsmith/openpresc,annapowellsmith/openpresc,ebmdatalab/openprescribing,annapowellsmith/openpresc,ebmdatalab/openprescribing,ebmdatalab/openprescribing,ebmdatalab/openprescribing