mstate: basic relation units
mstate: basic relation units

Not functional yet.

R=niemeyer
CC=
https://codereview.appspot.com/6460055

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