[KVM] Fix VM migration error due to VNC password on libvirt limiting …

…versions (apache#6404)

* [KVM] Fix VM migration error due to VNC password on libvirt limiting versions

* Fix passwd value

* Simplify implementation

Apache CloudStack 4.13.0.0 Release

Updating pom.xml version numbers for release 4.11.3.0

Signed-off-by: Paul Angus <paul.angus@shapeblue.com>

Updating pom.xml version numbers for release 4.12.0.0

Signed-off-by: GabrielBrascher <gabriel@pcextreme.nl>

Updating pom.xml version numbers for release 4.11.2.0

Signed-off-by: Paul Angus <paul.angus@shapeblue.com>

Updating pom.xml version numbers for release 4.11.1.0

Signed-off-by: Paul Angus <paulangus@PA-Ansible-GUI.sblab.local>

Updating pom.xml version numbers for release 4.11.1.0

Signed-off-by: Paul Angus <paulangus@PA-Ansible-GUI.sblab.local>

Tagging release 4.9.3.1 on branch robot-tls-fix.

Tagging release 4.11.0.0 on branch 4.11.

Tagging release 4.9.3.0 on branch 4.9.