[pve-devel] pve-qemu-kvm : add spice support

[Alexandre Derumier]

This add spice support + spice socket patch

spice packages are need

http://ftp.us.debian.org/debian/pool/main/s/spice-protocol/libspice-protocol-dev_0.12.3-1_all.deb
http://ftp.us.debian.org/debian/pool/main/s/spice/libspice-server-dev_0.12.2-0nocelt2exp_amd64.deb
http://ftp.us.debian.org/debian/pool/main/s/spice/libspice-server1_0.12.2-0nocelt2exp_amd64.deb