undefine: Implement internal API for qemu driver
undefine: Implement internal API for qemu driver

* src/qemu/qemu_driver.c: New call back for qemu_driver,
New function qemudDomainUndefineFlags, and changes on
qemudDomainUndefine.

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