Make some things `NOT NULL` again.
Make some things `NOT NULL` again.

jcjones/boulder,patf/boulder,jcjones/boulder,lmcro/boulder,patf/boulder,modulexcite/boulder,modulexcite/boulder,modulexcite/boulder,kuba/boulder,ZCloud-Firstserver/boulder,devpaul/boulder,benileo/boulder,sophie-h/boulder,benileo/boulder,letsencrypt/boulder,lucasallan/boulder,hlandauf/boulder,devpaul/boulder,josephyzhou/boulder,ibukanov/boulder,mehmooda/boulder,letsencrypt/boulder,josephyzhou/boulder,jcjones/boulder,jcjones/boulder,devpaul/boulder,mozmark/boulder,deserted/boulder,lmcro/boulder,jfrazelle/boulder,jfrazelle/boulder,bmw/boulder,bmw/boulder,hlandauf/boulder,kuba/boulder,mommel/boulder,modulexcite/boulder,sophie-h/boulder,kuba/boulder,mommel/boulder,lucasallan/boulder,josephyzhou/boulder,patf/boulder,ZCloud-Firstserver/boulder,lmcro/boulder,postfix/boulder,devpaul/boulder,lucasallan/boulder,letsencrypt/boulder,lmcro/boulder,ibukanov/boulder,mozmark/boulder,hlandauf/boulder,deserted/boulder,benileo/boulder,benileo/boulder,jfrazelle/boulder,ZCloud-Firstserver/boulder,r0ro/boulder,KyleChamberlin/boulder,mehmooda/boulder,mozmark/boulder,mommel/boulder,mehmooda/boulder,postfix/boulder,mozmark/boulder,ibukanov/boulder,r0ro/boulder,deserted/boulder,mehmooda/boulder,KyleChamberlin/boulder,patf/boulder,kuba/boulder,bmw/boulder,sophie-h/boulder,jfrazelle/boulder,jsha/boulder,deserted/boulder,r0ro/boulder,ZCloud-Firstserver/boulder,KyleChamberlin/boulder,KyleChamberlin/boulder,jsha/boulder,mommel/boulder,hlandauf/boulder,postfix/boulder,postfix/boulder,r0ro/boulder,josephyzhou/boulder,jsha/boulder