Convert TGA to tga in flamethrower.md3 so it works on Linux (case sensitive) when data is not zipped.
Add flame thrower muzzel flash shader to it doesn't have a black background (copied machine gun's flash shader).
Fix flame thrower using BFG ammo model name in code/game/bg_misc.c.
Fix flame thrower ammo shader (filename typo).
Fix flame explosion in code/cgame/cg_weapons.c.
Rename gfx/color/black.tga to gfx/colors/black.tga like explosion (and other) shaders expect.
Bug fixes found by viewing differences from ioquake3. There is some unrelated whitespace and 0 to NULL changes.
bg_misc.c -- ioq3 and my bugfix
g_cmds.c -- ioq3 bugfix
g_combat.c -- ioq3 and my bugfix
g_main.c -- q3, ioq3, and my bugfix
g_mover.c -- ioq3 bugfix
g_svcmds.c -- q3 bugfix
g_team.c -- ioq3 bugfix
