[r=wallyworld],[bug=1254572] State server backup scripts
[r=wallyworld],[bug=1254572] State server backup scripts

This branch provides a juju plugin to backup
critical files from the state server (machine 0).
The files are tarred up and copied to the local
machine used to invoke the backup.

https://codereview.appspot.com/31960043/
frankban/juju,reedobrien/juju,bac/juju,cloud-green/juju,mjs/juju,kat-co/juju,mikemccracken/juju,thomnico/juju,tasdomas/juju,marcmolla/juju,kat-co/juju,tsakas/juju,ericsnowcurrently/juju,cmars/juju,dooferlad/juju,gabriel-samfira/juju,cloud-green/juju,frankban/juju,howbazaar/juju,tsakas/juju,alesstimec/juju,gabriel-samfira/juju,macgreagoir/juju,bac/juju,sinzui/juju,rogpeppe/juju,davecheney/juju,frankban/juju-tmp,marcmolla/juju,bogdanteleaga/juju,axw/juju,ericsnowcurrently/juju,marcmolla/juju,tsakas/juju,tych0/juju,sinzui/juju,rogpeppe/juju,frobware/juju,voidspace/juju,davecheney/juju,cmars/juju,mhilton/juju-juju,bogdanteleaga/juju,bz2/juju,waigani/juju,makyo/juju,dimitern/juju,reedobrien/juju,tasdomas/juju,AdamIsrael/juju,tsakas/juju,kat-co/juju,jrwren/juju,mikemccracken/juju,axw/juju,bogdanteleaga/juju,howbazaar/juju,cmars/juju,dooferlad/juju,anastasiamac/juju,bz2/juju,thomnico/juju,mhilton/juju-juju,mikemccracken/juju,tych0/juju,macgreagoir/juju,mattyw/juju,reedobrien/juju,frankban/juju,frankban/juju-tmp,AdamIsrael/juju,frankban/juju-tmp,tasdomas/juju,waigani/juju,marcoceppi/juju,Altoros/juju-vmware,jrwren/juju,cherylj/juju,Altoros/juju-vmware,howbazaar/juju,dooferlad/juju,dimitern/juju,bogdanteleaga/juju,makyo/juju,bac/juju,mjs/juju,reedobrien/store,bz2/juju,dimitern/juju,reedobrien/juju,bz2/juju,Altoros/juju-cloudsigma,mhilton/juju,marcoceppi/juju,rogpeppe/juju,Altoros/juju-cloudsigma,frankban/juju-tmp,cloud-green/juju,voidspace/juju,perrito666/juju,mjs/juju,perrito666/juju,fwereade/juju,dooferlad/juju,cherylj/juju,wwitzel3/juju,perrito666/juju,gabriel-samfira/juju,marcoceppi/juju,perrito666/juju,thomnico/juju,jrwren/juju,anastasiamac/juju,davecheney/juju,AdamIsrael/juju,tych0/juju,frankban/juju,waigani/juju,anastasiamac/juju,AdamIsrael/juju,bac/juju,waigani/juju,wwitzel3/juju,mikemccracken/juju,marcmolla/juju,alesstimec/juju,tasdomas/juju,perrito666/juju,mhilton/juju,bac/juju,gabriel-samfira/juju,alesstimec/juju,axw/juju,cherylj/juju,kat-co/juju,alesstimec/juju,dooferlad/juju,sinzui/juju,cherylj/juju,Altoros/juju-vmware,dimitern/juju,fwereade/juju,fwereade/juju,howbazaar/juju,mattyw/juju,howbazaar/juju,marcmolla/juju,mjs/juju,mjs/juju,Altoros/juju-cloudsigma,frankban/juju,alesstimec/juju,mattyw/juju,makyo/juju,cloud-green/juju,voidspace/juju,macgreagoir/juju,Altoros/juju-cloudsigma,ericsnowcurrently/juju,ericsnowcurrently/juju,anastasiamac/juju,mjs/juju,gabriel-samfira/juju,cmars/juju,macgreagoir/juju,kat-co/juju,thomnico/juju,bz2/juju,axw/juju,mhilton/juju,mjs/juju,mattyw/juju,reedobrien/juju,davecheney/juju,voidspace/juju,anastasiamac/juju,axw/juju,mhilton/juju-juju,mhilton/juju,marcoceppi/juju,frobware/juju,ericsnowcurrently/juju,mhilton/juju-juju,macgreagoir/juju,makyo/juju,dimitern/juju,wwitzel3/juju,Altoros/juju-vmware,wwitzel3/juju,tych0/juju,fwereade/juju,mikemccracken/juju,frobware/juju,sinzui/juju