updated levelshot with current lighting

hopefully finished the light settings now

fiddled some more with the light from the sky, made it more purple, and declared it good enough for now

accidentially made the banner smaller, now restored

smoved the noimpact clippings forward to the border of the walls and replaced brushwork with the sealed one

sealed up the rooms with noimpact clips

re-added the curved clippings that were accidentially lost

new levelshots and improved some clippings and some minor stuff

renamed arena file

initial version