- host, port and password input boxes (populated by URL values).
- clear canvas on disconnect.
- Dotted border around VNC area.
- mirror bits for VNC password.
- DES encryption for VNC bit mirrors every bytes of the password. This
commit has a hard-coded mirrored password. Need to ask user and bit
mirror it.
- With image data across the wire it's Blue,Green,Red, so twiddle
things around a bit.