doc: update virsh manual
doc: update virsh manual

* tools/virsh.pod (change things like "edit domain.xml" into
  "vi domain.xml", so that it's more clear for user)

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