libvirt security and bug fix update

[0.10.2-29.0.1.el6_5.3]

• Replace docs/et.png in tarball with blank image
  [0.10.2-29.el6_5.3]
• qemu: Avoid operations on NULL monitor if VM fails early (rhbz#1055578)
• qemu: Do not access stale data in virDomainBlockStats (CVE-2013-6458)
• qemu: Avoid using stale data in virDomainGetBlockInfo (CVE-2013-6458)
• qemu: Fix job usage in qemuDomainBlockJobImpl (CVE-2013-6458)
• qemu: Fix job usage in qemuDomainBlockCopy (rhbz#1054804)
• qemu: Fix job usage in virDomainGetBlockIoTune (CVE-2013-6458)
• Don’t crash if a connection closes early (CVE-2014-1447)
• Really don’t crash if a connection closes early (CVE-2014-1447)