docs: document node device XML
docs: document node device XML

Coupled with the recent virsh nodedev-* doc patch, this should now
give a better picture of libvirt node device handling.

* docs/formatnode.html.in: Fill in page.

iam-TJ/libvirt,wiedi/libvirt,leilihh/libvirt,dumbbell/libvirt,olafhering/libvirt,jeckersb/libvirt,olafhering/libvirt,VenkatDatta/libvirt,nertpinx/libvirt,shugaoye/libvirt,bjzhang/libvirt,rlaager/libvirt,iam-TJ/libvirt,elmarco/libvirt,soulxu/libvirt-xuhj,wiedi/libvirt,crobinso/libvirt,emaste/libvirt,novel/fbsd-libvirt,usc-isi/libvirt,novel/fbsd-libvirt,novel/fbsd-libvirt,agx/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,agx/libvirt,andreabolognani/libvirt,datto/libvirt,danwent/libvirt-ovs,emaste/libvirt,zhlcindy/libvirt-1.1.4-maintain,eskultety/libvirt,usc-isi/libvirt,jfehlig/libvirt,trainstack/libvirt,dumbbell/libvirt,fabianfreyer/libvirt,dumbbell/libvirt,emaste/libvirt,jfehlig/libvirt,emaste/libvirt,shugaoye/libvirt,siboulet/libvirt-openvz,iam-TJ/libvirt,nertpinx/libvirt,usc-isi/libvirt,trainstack/libvirt,eskultety/libvirt,dumbbell/libvirt,fabianfreyer/libvirt,danwent/libvirt-ovs,VenkatDatta/libvirt,jeckersb/libvirt,crobinso/libvirt,danwent/libvirt-ovs,rlaager/libvirt,warewolf/libvirt,zhlcindy/libvirt-1.1.4-maintain,wiedi/libvirt,elmarco/libvirt,emaste/libvirt,wiedi/libvirt,siboulet/libvirt-openvz,jeckersb/libvirt,taget/libvirt,siboulet/libvirt-openvz,soulxu/libvirt-xuhj,shugaoye/libvirt,foomango/libvirt,libvirt/libvirt,soulxu/libvirt-xuhj,rmarwaha/libvirt1,trainstack/libvirt,warewolf/libvirt,jardasgit/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,jardasgit/libvirt,cbosdo/libvirt,taget/libvirt,bjzhang/libvirt,rmarwaha/libvirt1,wiedi/libvirt,VenkatDatta/libvirt,wiedi/libvirt,jardasgit/libvirt,foomango/libvirt,leilihh/libvirt,danwent/libvirt-ovs,iam-TJ/libvirt,crobinso/libvirt,trainstack/libvirt,andreabolognani/libvirt,nertpinx/libvirt,soulxu/libvirt-xuhj,wiedi/libvirt,jfehlig/libvirt,nertpinx/libvirt,zhlcindy/libvirt-1.1.4-maintain,novel/fbsd-libvirt,rmarwaha/libvirt1,rmarwaha/libvirt1,leilihh/libvirt,leilihh/libvirt,shugaoye/libvirt,elmarco/libvirt,rmarwaha/libvirt,foomango/libvirt,novel/fbsd-libvirt,warewolf/libvirt,rmarwaha/libvirt,warewolf/libvirt,taget/libvirt,VenkatDatta/libvirt,jeckersb/libvirt,leilihh/libvirt,taget/libvirt,trainstack/libvirt,foomango/libvirt,warewolf/libvirt,olafhering/libvirt,leilihh/libvirt,agx/libvirt,datto/libvirt,eskultety/libvirt,dumbbell/libvirt,fabianfreyer/libvirt,jeckersb/libvirt,bjzhang/libvirt,iam-TJ/libvirt,iam-TJ/libvirt,emaste/libvirt,siboulet/libvirt-openvz,zippy2/libvirt,eskultety/libvirt,crobinso/libvirt,rmarwaha/libvirt,zippy2/libvirt,cbosdo/libvirt,trainstack/libvirt,foomango/libvirt,novel/fbsd-libvirt,libvirt/libvirt,cbosdo/libvirt,datto/libvirt,trainstack/libvirt,bjzhang/libvirt,jeckersb/libvirt,datto/libvirt,zippy2/libvirt,rmarwaha/libvirt1,novel/fbsd-libvirt,usc-isi/libvirt,andreabolognani/libvirt,rlaager/libvirt,elmarco/libvirt,usc-isi/libvirt,siboulet/libvirt-openvz,emaste/libvirt,elmarco/libvirt,soulxu/libvirt-xuhj,jardasgit/libvirt,andreabolognani/libvirt,danwent/libvirt-ovs,warewolf/libvirt,zhlcindy/libvirt-1.1.4-maintain,eskultety/libvirt,jeckersb/libvirt,novel/fbsd-libvirt,agx/libvirt,fabianfreyer/libvirt,datto/libvirt,zippy2/libvirt,libvirt/libvirt,olafhering/libvirt,taget/libvirt,agx/libvirt,rmarwaha/libvirt,warewolf/libvirt,rlaager/libvirt,bjzhang/libvirt,novel/fbsd-libvirt,dumbbell/libvirt,rmarwaha/libvirt1,nertpinx/libvirt,libvirt/libvirt,cbosdo/libvirt,shugaoye/libvirt,iam-TJ/libvirt,rmarwaha/libvirt,cbosdo/libvirt,rlaager/libvirt,rmarwaha/libvirt,zhlcindy/libvirt-1.1.4-maintain