Add fakeController.ReleaseMachines
Add fakeController.ReleaseMachines

For testing StopInstances.

dimitern/juju,marcmolla/juju,mjs/juju,AdamIsrael/juju,frankban/juju,bogdanteleaga/juju,axw/juju,marcmolla/juju,alesstimec/juju,reedobrien/juju,axw/juju,bac/juju,frankban/juju,alesstimec/juju,ericsnowcurrently/juju,dooferlad/juju,bogdanteleaga/juju,bz2/juju,mjs/juju,marcmolla/juju,perrito666/juju,dimitern/juju,waigani/juju,alesstimec/juju,anastasiamac/juju,macgreagoir/juju,bogdanteleaga/juju,gabriel-samfira/juju,AdamIsrael/juju,macgreagoir/juju,makyo/juju,AdamIsrael/juju,bz2/juju,bac/juju,mikemccracken/juju,axw/juju,anastasiamac/juju,makyo/juju,mikemccracken/juju,perrito666/juju,dimitern/juju,marcmolla/juju,anastasiamac/juju,ericsnowcurrently/juju,frankban/juju,makyo/juju,mjs/juju,dooferlad/juju,bac/juju,mjs/juju,bz2/juju,gabriel-samfira/juju,perrito666/juju,bz2/juju,gabriel-samfira/juju,mikemccracken/juju,ericsnowcurrently/juju,reedobrien/juju,howbazaar/juju,kat-co/juju,dooferlad/juju,mikemccracken/juju,axw/juju,bz2/juju,mjs/juju,mjs/juju,gabriel-samfira/juju,macgreagoir/juju,kat-co/juju,mjs/juju,mikemccracken/juju,howbazaar/juju,axw/juju,perrito666/juju,bac/juju,howbazaar/juju,perrito666/juju,anastasiamac/juju,dimitern/juju,kat-co/juju,bac/juju,frankban/juju,howbazaar/juju,bogdanteleaga/juju,macgreagoir/juju,kat-co/juju,AdamIsrael/juju,dooferlad/juju,waigani/juju,gabriel-samfira/juju,kat-co/juju,macgreagoir/juju,marcmolla/juju,dooferlad/juju,alesstimec/juju,alesstimec/juju,frankban/juju,reedobrien/juju,anastasiamac/juju,waigani/juju,makyo/juju,ericsnowcurrently/juju,dimitern/juju,howbazaar/juju,waigani/juju,reedobrien/juju,reedobrien/juju,ericsnowcurrently/juju