Improve usefulness of README file
Improve usefulness of README file

The COPYING file already contains the license text, so the README
file need not repeat it. Instead put in a description of what
SPICE is, simple install instructions & pointers to mailing lists
and bug trackers

freedesktop-unofficial-mirror/spice__spice,Fantu/spice,Fantu/spice,alon/spice-server,alon/spice-server,fgouget/spice,Fantu/spice,dezelin/spice,Fantu/spice,freedesktop-unofficial-mirror/spice__spice,dezelin/spice,alon/spice-server,freedesktop-unofficial-mirror/spice__spice,mathslinux/spice,mathslinux/spice,elmarco/spice,ya-mouse/spice,fgouget/spice,dezelin/spice,freedesktop-unofficial-mirror/spice__spice,SPICE/spice,alon/spice-server,fgouget/spice,elmarco/spice,mathslinux/spice,alon/spice-server,elmarco/spice,elmarco/spice,dezelin/spice,SPICE/spice,mathslinux/spice,freedesktop-unofficial-mirror/spice__spice,SPICE/spice,elmarco/spice,ya-mouse/spice,dezelin/spice,ya-mouse/spice,mathslinux/spice,fgouget/spice