Fix default handling for "namespace".
Fix default handling for "namespace".

bz2/juju,ericsnowcurrently/juju,anastasiamac/juju,dooferlad/juju,dimitern/juju,bogdanteleaga/juju,kat-co/juju,makyo/juju,mjs/juju,dimitern/juju,macgreagoir/juju,alesstimec/juju,reedobrien/juju,bogdanteleaga/juju,perrito666/juju,mjs/juju,anastasiamac/juju,anastasiamac/juju,bogdanteleaga/juju,ericsnowcurrently/juju,mikemccracken/juju,gabriel-samfira/juju,macgreagoir/juju,dooferlad/juju,mikemccracken/juju,mikemccracken/juju,alesstimec/juju,bz2/juju,wwitzel3/juju,AdamIsrael/juju,howbazaar/juju,mjs/juju,davecheney/juju,wwitzel3/juju,gabriel-samfira/juju,AdamIsrael/juju,AdamIsrael/juju,dimitern/juju,bac/juju,dimitern/juju,mjs/juju,alesstimec/juju,mjs/juju,fwereade/juju,davecheney/juju,gabriel-samfira/juju,bac/juju,frankban/juju,AdamIsrael/juju,reedobrien/juju,axw/juju,macgreagoir/juju,dooferlad/juju,fwereade/juju,frankban/juju,waigani/juju,alesstimec/juju,reedobrien/juju,macgreagoir/juju,alesstimec/juju,howbazaar/juju,reedobrien/juju,axw/juju,perrito666/juju,ericsnowcurrently/juju,wwitzel3/juju,axw/juju,marcmolla/juju,perrito666/juju,mikemccracken/juju,bac/juju,fwereade/juju,bz2/juju,kat-co/juju,bac/juju,dooferlad/juju,dooferlad/juju,davecheney/juju,axw/juju,frankban/juju,voidspace/juju,voidspace/juju,ericsnowcurrently/juju,macgreagoir/juju,makyo/juju,waigani/juju,frankban/juju,perrito666/juju,anastasiamac/juju,fwereade/juju,mikemccracken/juju,gabriel-samfira/juju,bz2/juju,marcmolla/juju,mjs/juju,frankban/juju,kat-co/juju,marcmolla/juju,bac/juju,ericsnowcurrently/juju,voidspace/juju,dimitern/juju,wwitzel3/juju,makyo/juju,bogdanteleaga/juju,howbazaar/juju,kat-co/juju,mjs/juju,marcmolla/juju,marcmolla/juju,howbazaar/juju,axw/juju,voidspace/juju,bz2/juju,makyo/juju,waigani/juju,gabriel-samfira/juju,anastasiamac/juju,davecheney/juju,waigani/juju,reedobrien/juju,kat-co/juju,howbazaar/juju,perrito666/juju