implement subject and cn functions; separate "goodkey" for csr and key
implement subject and cn functions; separate "goodkey" for csr and key

tdfischer/lets-encrypt-preview,digideskio/lets-encrypt-preview,deserted/letsencrypt,dietsche/letsencrypt,rugk/letsencrypt,thanatos/lets-encrypt-preview,rlustin/letsencrypt,goofwear/letsencrypt,piru/letsencrypt,modulexcite/letsencrypt,hsduk/lets-encrypt-preview,BKreisel/letsencrypt,TheBoegl/letsencrypt,riseofthetigers/letsencrypt,Jadaw1n/letsencrypt,skynet/letsencrypt,Hasimir/letsencrypt,Sveder/letsencrypt,Hasimir/letsencrypt,sapics/letsencrypt,BillKeenan/lets-encrypt-preview,jsha/letsencrypt,tyagi-prashant/letsencrypt,PeterMosmans/letsencrypt,kuba/letsencrypt,rutsky/letsencrypt,rutsky/letsencrypt,vcavallo/letsencrypt,mitnk/letsencrypt,hlieberman/letsencrypt,sapics/letsencrypt,luorenjin/letsencrypt,kevinlondon/letsencrypt,luorenjin/letsencrypt,beermix/letsencrypt,thanatos/lets-encrypt-preview,ghyde/letsencrypt,ruo91/letsencrypt,jtl999/certbot,rugk/letsencrypt,BillKeenan/lets-encrypt-preview,Jadaw1n/letsencrypt,twstrike/le_for_patching,mitnk/letsencrypt,rlustin/letsencrypt,skynet/letsencrypt,deserted/letsencrypt,BKreisel/letsencrypt,stewnorriss/letsencrypt,armersong/letsencrypt,lmcro/letsencrypt,sjerdo/letsencrypt,stewnorriss/letsencrypt,mrb/letsencrypt,bsmr-misc-forks/letsencrypt,sjerdo/letsencrypt,lbeltrame/letsencrypt,wteiken/letsencrypt,armersong/letsencrypt,jsha/letsencrypt,vcavallo/letsencrypt,stweil/letsencrypt,DavidGarciaCat/letsencrypt,g1franc/lets-encrypt-preview,jmaurice/letsencrypt,digideskio/lets-encrypt-preview,martindale/letsencrypt,kuba/letsencrypt,DavidGarciaCat/letsencrypt,jtl999/certbot,solidgoldbomb/letsencrypt,letsencrypt/letsencrypt,fmarier/letsencrypt,diracdeltas/lets-encrypt-preview,piru/letsencrypt,kevinlondon/letsencrypt,VladimirTyrin/letsencrypt,dietsche/letsencrypt,lbeltrame/letsencrypt,Bachmann1234/letsencrypt,xgin/letsencrypt,jmaurice/letsencrypt,Bachmann1234/letsencrypt,brentdax/letsencrypt,mrb/letsencrypt,bsmr-misc-forks/letsencrypt,solidgoldbomb/letsencrypt,ruo91/letsencrypt,hsduk/lets-encrypt-preview,modulexcite/letsencrypt,xgin/letsencrypt,TheBoegl/letsencrypt,ahojjati/letsencrypt,goofwear/letsencrypt,PeterMosmans/letsencrypt,bestwpw/letsencrypt,Sveder/letsencrypt,stweil/letsencrypt,wteiken/letsencrypt,ahojjati/letsencrypt,twstrike/le_for_patching,Jonadabe/letsencrypt,riseofthetigers/letsencrypt,diracdeltas/lets-encrypt-preview,g1franc/lets-encrypt-preview,bestwpw/letsencrypt,beermix/letsencrypt,lmcro/letsencrypt,martindale/letsencrypt,VladimirTyrin/letsencrypt,tyagi-prashant/letsencrypt,jmhodges/letsencrypt,letsencrypt/letsencrypt,hlieberman/letsencrypt,jmhodges/letsencrypt,ghyde/letsencrypt,brentdax/letsencrypt,Jonadabe/letsencrypt,tdfischer/lets-encrypt-preview,fmarier/letsencrypt