libvirt security and bug fix update

0.8.2-29.0.1.el5 - Replaced docs/et.png in tarball - remove virshtest from test cases to fix failure in mock build root libvirt-0.8.2-29.el5 - Coverity pointed out an use after free in the fix for 816601 rhbz772848 libvirt-0.8.2-28.el5 - qemu: Rollback on used USB devices rhbz816601 - qemu: Don't...