Upgrade Docker to 20.10.14

Upgrade Docker to 20.10.12

The docker channel is stable and not edge

Turn off X11 mouse acceleration, for VNC

Workaround for VNC using relative motion, not absolute motion.
PS2 uses relative motion, while USB tablets do absolute motion.

Add the boot2docker logo to the background

Update to 17.11.0-ce (GA)

Update to 17.11.0-ce-rc4

Update to 17.11.0-ce-rc3

Update to 17.11.0-ce-rc2

Update to 17.11.0-ce-rc1