Topic: Client 692 changes

Added newer nebula tiles done by Thundera.
Replaced splash image with an another one that were done by PsiTek almost a year ago.
Added ability to turn on the experimental BSP system (Ask cisco for more details).

Amethyst        T0    Pyr     21
Cisco                T4    Sco    81
Delphi              T0    Eng    90
Neuropath      T0    Tel     10