images: Build Angstrom v2013.12 of angstrom v2013.12 for machine beaglebone on Angstrom-f20-vm

cmd: bitbake cloud9-gnome-image xbmc -k
packages: Build Angstrom v2013.12 of angstrom v2013.12 for machine beaglebone on Angstrom-f20-vm

cmd: bitbake cloud9-gnome-image xbmc -k