Update examples to use 'juju service add-unit'
Update examples to use 'juju service add-unit'

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