QMP/monitor: update do_info_version() to output broken down version string

This code was originally developed by Daniel P. Berrange <berrange@redhat.com>

Signed-off-by: Miguel Di Ciurcio Filho <miguel.filho@gmail.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>