libvirt-machine: Server in 'info' if remote
libvirt-machine: Server in 'info' if remote

Set info property of remote libvirt machines to "host: server" where
server is server part (hostname or IP address) of it's host URL. 'info'
property is bound to 2nd text line in the collection view under the
thumbnail.

https://bugzilla.gnome.org/show_bug.cgi?id=744004

vbenes/gnome-boxes,vbenes/gnome-boxes