Fix copy_from attribute of glance_image module.
Fix copy_from attribute of glance_image module.

This was broken upstream - it was only coded to work
for from-file image creation, even though it advertises
copy-from url functionality.

ryshah/ursula,lihkin213/ursula,msambol/ursula,ryshah/ursula,blueboxgroup/ursula,edtubillara/ursula,fancyhe/ursula,persistent-ursula/ursula,andrewrothstein/ursula,j2sol/ursula,dlundquist/ursula,ddaskal/ursula,kennjason/ursula,kennjason/ursula,davidcusatis/ursula,kennjason/ursula,wupeiran/ursula,EricCrosson/ursula,MaheshIBM/ursula,knandya/ursula,ryshah/ursula,edtubillara/ursula,pgraziano/ursula,pbannister/ursula,greghaynes/ursula,greghaynes/ursula,ryshah/ursula,sivakom/ursula,paulczar/ursula,nirajdp76/ursula,mjbrewer/ursula,twaldrop/ursula,channus/ursula,dlundquist/ursula,edtubillara/ursula,fancyhe/ursula,edtubillara/ursula,lihkin213/ursula,sivakom/ursula,zrs233/ursula,persistent-ursula/ursula,jwaibel/ursula,MaheshIBM/ursula,masteinhauser/ursula,nirajdp76/ursula,ddaskal/ursula,rongzhus/ursula,pbannister/ursula,twaldrop/ursula,j2sol/ursula,channus/ursula,nirajdp76/ursula,rongzhus/ursula,blueboxjesse/ursula,MaheshIBM/ursula,retr0h/ursula,wupeiran/ursula,masteinhauser/ursula,wupeiran/ursula,pgraziano/ursula,ddaskal/ursula,fancyhe/ursula,narengan/ursula,zrs233/ursula,persistent-ursula/ursula,masteinhauser/ursula,aldevigi/ursula,jwaibel/ursula,knandya/ursula,aldevigi/ursula,blueboxgroup/ursula,mjbrewer/ursula,rongzhus/ursula,blueboxjesse/ursula,blueboxgroup/ursula,zrs233/ursula,paulczar/ursula,allomov/ursula,narengan/ursula,twaldrop/ursula,panxia6679/ursula,msambol/ursula,knandya/ursula,pgraziano/ursula,panxia6679/ursula,narengan/ursula,masteinhauser/ursula,jwaibel/ursula,knandya/ursula,blueboxgroup/ursula,nirajdp76/ursula,allomov/ursula,panxia6679/ursula,andrewrothstein/ursula,allomov/ursula,pgraziano/ursula,channus/ursula,greghaynes/ursula,lihkin213/ursula,davidcusatis/ursula,ddaskal/ursula,msambol/ursula,retr0h/ursula,wupeiran/ursula,fancyhe/ursula,channus/ursula,aldevigi/ursula,j2sol/ursula,retr0h/ursula,dlundquist/ursula,davidcusatis/ursula,pbannister/ursula,paulczar/ursula,sivakom/ursula,EricCrosson/ursula,lihkin213/ursula,zrs233/ursula,persistent-ursula/ursula,blueboxjesse/ursula,twaldrop/ursula,andrewrothstein/ursula,EricCrosson/ursula,narengan/ursula,panxia6679/ursula,rongzhus/ursula,mjbrewer/ursula,blueboxjesse/ursula,j2sol/ursula