Update doc comments.
Update doc comments.

marcoceppi/juju,marcoceppi/juju,perrito666/juju,dooferlad/juju,Altoros/juju-cloudsigma,mjs/juju,mikemccracken/juju,makyo/juju,marcmolla/juju,waigani/juju,frankban/juju,cmars/juju,cherylj/juju,howbazaar/juju,mhilton/juju-juju,sinzui/juju,cherylj/juju,gabriel-samfira/juju,davecheney/juju,wwitzel3/juju,mjs/juju,voidspace/juju,tych0/juju,mjs/juju,cherylj/juju,alesstimec/juju,davecheney/juju,mikemccracken/juju,ericsnowcurrently/juju,dimitern/juju,anastasiamac/juju,kat-co/juju,reedobrien/juju,kat-co/juju,marcoceppi/juju,AdamIsrael/juju,marcoceppi/juju,bogdanteleaga/juju,tasdomas/juju,dooferlad/juju,mjs/juju,bac/juju,davecheney/juju,thomnico/juju,frankban/juju,frankban/juju-tmp,waigani/juju,cherylj/juju,mhilton/juju,wwitzel3/juju,macgreagoir/juju,bac/juju,anastasiamac/juju,jrwren/juju,sinzui/juju,Altoros/juju-cloudsigma,cmars/juju,thomnico/juju,axw/juju,marcmolla/juju,gabriel-samfira/juju,tsakas/juju,bogdanteleaga/juju,Altoros/juju-cloudsigma,reedobrien/juju,bz2/juju,voidspace/juju,dimitern/juju,axw/juju,gabriel-samfira/juju,howbazaar/juju,sinzui/juju,tsakas/juju,waigani/juju,mhilton/juju,dooferlad/juju,perrito666/juju,anastasiamac/juju,gabriel-samfira/juju,gabriel-samfira/juju,tasdomas/juju,Altoros/juju-vmware,mhilton/juju-juju,bz2/juju,cloud-green/juju,bac/juju,alesstimec/juju,mikemccracken/juju,mhilton/juju,macgreagoir/juju,dooferlad/juju,mhilton/juju-juju,kat-co/juju,frankban/juju-tmp,tasdomas/juju,axw/juju,marcmolla/juju,tych0/juju,wwitzel3/juju,macgreagoir/juju,alesstimec/juju,sinzui/juju,macgreagoir/juju,cmars/juju,frankban/juju,makyo/juju,frankban/juju-tmp,howbazaar/juju,voidspace/juju,anastasiamac/juju,dooferlad/juju,mikemccracken/juju,bac/juju,Altoros/juju-cloudsigma,bogdanteleaga/juju,AdamIsrael/juju,thomnico/juju,makyo/juju,frankban/juju-tmp,thomnico/juju,ericsnowcurrently/juju,ericsnowcurrently/juju,marcmolla/juju,voidspace/juju,cmars/juju,perrito666/juju,mjs/juju,reedobrien/juju,anastasiamac/juju,bz2/juju,fwereade/juju,dimitern/juju,cloud-green/juju,AdamIsrael/juju,reedobrien/juju,jrwren/juju,alesstimec/juju,mjs/juju,ericsnowcurrently/juju,dimitern/juju,axw/juju,kat-co/juju,cloud-green/juju,AdamIsrael/juju,marcmolla/juju,cloud-green/juju,tych0/juju,bz2/juju,tasdomas/juju,Altoros/juju-vmware,mhilton/juju,perrito666/juju,tych0/juju,ericsnowcurrently/juju,axw/juju,Altoros/juju-vmware,fwereade/juju,makyo/juju,wwitzel3/juju,frankban/juju,howbazaar/juju,frankban/juju,kat-co/juju,fwereade/juju,tsakas/juju,perrito666/juju,bac/juju,davecheney/juju,alesstimec/juju,mikemccracken/juju,reedobrien/juju,mhilton/juju-juju,jrwren/juju,bz2/juju,bogdanteleaga/juju,waigani/juju,howbazaar/juju,mjs/juju,tsakas/juju,macgreagoir/juju,dimitern/juju,Altoros/juju-vmware,fwereade/juju