fix sound by smaxx and other stuff by me

Smaxx fix to overwriting private sdl's memory

manually adjusted colours. should be done as proportion?

Smaxx: less hacks

Restrict how high saucer can fly for sanity's sake

Switch to first legal ammo when hedgehog can't hold current one

Real fix to ammo slot overflow (bug triggered by r2411 fix)

Placeholder homerun sound. Unedited sample from freesound.org #72836, under CC license.

Don't show timer of drowned gears

Huge Smaxx patch with some fixes by me: - support for non power of two textures - modelview matrix calculation optimizations - health effect when picking up health crates or using vampirism - rc plane training time trial - fix visual gear drawing position (might require recheck) - gamepad support - reordered options in frontend - updated binding options (subcaptions, descriptions and localizable names) - cfg-dir parameter for frontend (allows teams/settings to sit on a usb flash drive for example) - icons for chatroom user list

cake theme wave fix from ttsmj

- Fix camera area with different zoom levels - Fix memory leak when loading lowres texture - Implement alternative horizont/sky sprites layout - Remove deprecated try to load .32.png or .16.png texture

sheepluva's basic 45° test. NEEDS TESTING

In progress, trying to make a fire for molotov cocktail. Normal fire should still work fairly normally.

updated polish translation from szczur