Fix multiple memory leaks in virsh
Fix multiple memory leaks in virsh

* virsh.c: fix a number of leaks of virDomain, virStoragePool,
  virNodeDevice, etc.

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