Pass SERVER to letsencrypt integration test, fix review comments.
Pass SERVER to letsencrypt integration test, fix review comments.

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