libvirt security, bug fix, and enhancement update

libvirt-0.10.2-18.0.1.el6 - Replace docs/et.png in tarball with blank image 0.10.2-18 - rpc: Fix crash on error paths of message dispatching CVE-2013-0170 - spec: Disable libssh2 support rhbz513363 0.10.2-17 - storage: Fix lvcreate parameter for backingStore. rhbz896398 - qemu: Don't return succe...