Set up Qemu-kvm 1.1 & Spice-gtk 0.12 with USB redirection on Ubuntu Precise

$ sudo add-apt-repository ppa:bderzhavets/lib-usbredir81
$ sudo apt-get update
$ sudo apt-get install qemu-kvm qemu qemu-common qemu-utils \
seabios vgabios \
spice-client libusb-1.0-0 libusb-1.0-0-dev \
libusbredir libusbredir-dev usbredir-server \
libspice-protocol-dev libspice-server-dev \
libspice-client-glib-2.0-1 libspice-client-glib-2.0-dev \
libspice-client-gtk-2.0-1 libspice-client-gtk-2.0-dev \
libspice-client-gtk-3.0-1 libspice-client-gtk-3.0-dev \
python-spice-client-gtk spice-client-gtk

$ sudo apt-get install virtinst virt-manager virt-viewer
$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

$ sudo adduser $USER libvirtd
REBOOT

Link to PPA  Qemu-kvm 1.1