Security update for libvirt

This update for libvirt fixes several issues.

This security issue was fixed:

- bsc#1053600: Escape ssh commed line to prevent interpreting malicious
hostname as arguments, allowing for command execution

These non-security issues were fixed:

- bsc#1049505, bsc#1051017: Security manager: Don't autogenerate seclabels of
type 'none' when AppArmor is inactive
- bsc#1045693: Support chardevs with ARM machines

This update was imported from the SUSE:SLE-12-SP3:Update update project.

Fixed bugs
bnc#1051017
virt-manager: Error restoring domain: unsupported configuration: Unable to find security driver for model apparmor
bnc#1053600
VUL-1: libvirt: ssh command injection
bnc#1049505
libvirt fails to start a VM with <seclabel type='none' model='apparmor'/> when apparmor is inactive
bnc#1045693
libvirt Backport for potential incompatibility with OpenStack Pike
Selected Binaries
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