tox: pip install -e (fixes #235)
tox: pip install -e (fixes #235)

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