update client to send hashcash per-name
update client to send hashcash per-name

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