virsh: remove reference to migration in blockcopy
virsh: remove reference to migration in blockcopy

jeckersb/libvirt,jeckersb/libvirt,nertpinx/libvirt,jeckersb/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,libvirt/libvirt,olafhering/libvirt,crobinso/libvirt,crobinso/libvirt,zhlcindy/libvirt-1.1.4-maintain,andreabolognani/libvirt,jardasgit/libvirt,emaste/libvirt,VenkatDatta/libvirt,elmarco/libvirt,VenkatDatta/libvirt,trainstack/libvirt,novel/fbsd-libvirt,agx/libvirt,trainstack/libvirt,libvirt/libvirt,jardasgit/libvirt,taget/libvirt,andreabolognani/libvirt,zippy2/libvirt,rlaager/libvirt,siboulet/libvirt-openvz,cbosdo/libvirt,VenkatDatta/libvirt,agx/libvirt,jeckersb/libvirt,iam-TJ/libvirt,zhlcindy/libvirt-1.1.4-maintain,emaste/libvirt,agx/libvirt,siboulet/libvirt-openvz,shugaoye/libvirt,jeckersb/libvirt,iam-TJ/libvirt,nertpinx/libvirt,emaste/libvirt,agx/libvirt,emaste/libvirt,rlaager/libvirt,olafhering/libvirt,rlaager/libvirt,rlaager/libvirt,bjzhang/libvirt,zhlcindy/libvirt-1.1.4-maintain,novel/fbsd-libvirt,elmarco/libvirt,iam-TJ/libvirt,iam-TJ/libvirt,andreabolognani/libvirt,jfehlig/libvirt,novel/fbsd-libvirt,bjzhang/libvirt,eskultety/libvirt,trainstack/libvirt,cbosdo/libvirt,olafhering/libvirt,eskultety/libvirt,shugaoye/libvirt,novel/fbsd-libvirt,iam-TJ/libvirt,cbosdo/libvirt,novel/fbsd-libvirt,fabianfreyer/libvirt,libvirt/libvirt,bjzhang/libvirt,trainstack/libvirt,jeckersb/libvirt,crobinso/libvirt,taget/libvirt,nertpinx/libvirt,eskultety/libvirt,zhlcindy/libvirt-1.1.4-maintain,shugaoye/libvirt,jeckersb/libvirt,crobinso/libvirt,libvirt/libvirt,jardasgit/libvirt,elmarco/libvirt,trainstack/libvirt,jfehlig/libvirt,emaste/libvirt,VenkatDatta/libvirt,novel/fbsd-libvirt,agx/libvirt,datto/libvirt,iam-TJ/libvirt,novel/fbsd-libvirt,jfehlig/libvirt,emaste/libvirt,taget/libvirt,andreabolognani/libvirt,eskultety/libvirt,trainstack/libvirt,trainstack/libvirt,siboulet/libvirt-openvz,datto/libvirt,siboulet/libvirt-openvz,nertpinx/libvirt,taget/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,iam-TJ/libvirt,novel/fbsd-libvirt,bjzhang/libvirt,elmarco/libvirt,taget/libvirt,zippy2/libvirt,fabianfreyer/libvirt,shugaoye/libvirt,emaste/libvirt,novel/fbsd-libvirt,rlaager/libvirt,bjzhang/libvirt,jardasgit/libvirt,shugaoye/libvirt,olafhering/libvirt,datto/libvirt,cbosdo/libvirt,elmarco/libvirt,zippy2/libvirt,nertpinx/libvirt,siboulet/libvirt-openvz,andreabolognani/libvirt,datto/libvirt,zhlcindy/libvirt-1.1.4-maintain,cbosdo/libvirt,fabianfreyer/libvirt,zippy2/libvirt,jardasgit/libvirt,datto/libvirt,eskultety/libvirt