Reorganize qemu console emulation code.  Make it look at the numlock
state and interpret numpad keys as arrow+friends (numlock off) or
digits (numlock on).  While being at it also wind up the other numpad
keys.
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>