conf: Don't always require security/@model
conf: Don't always require security/@model

Only parse model, if static labelling, or
a base label is set, or doing active XML.

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