Avoid a bit of a memory spike on small maps

This one gets called a lot when drawing rotated sprites

Consistency

This union hasn't been needed for 5 years, and makes using other headers harder.

Forgot this state

minor changes in list of codecs

Poor visual gear value in theme now bears little resemblance to the number of gears actually spawned. But, it certainly shouldn't be related to LAND_WIDTH.

Insert license in avwrapper.c

Allow customization of colors in ui, store custom colors in config

cmake scripts

Check if hedgehog is still active instead

better cmake script

Room bans. They're more simple, than the global ones: if you ban someone, he is banned by ip in this room for the rest of the room lifetime. Not tested.

merge