Add notes and doc comments for the code added to the dummy provider.
Add notes and doc comments for the code added to the dummy provider.

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