environs: log size of tools when putting them.
environs: log size of tools when putting them.

Gives slightly more idea of what's going on.

R=niemeyer
CC=
https://codereview.appspot.com/6494077

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