[r=gz] provider/openstack: Use loggo for logging
[r=gz] provider/openstack: Use loggo for logging

Change logging statements in the Openstack provider to use
loggo logger.

https://codereview.appspot.com/13035044/

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