Vega Strike Code

New gas giant shaders for Uranus and Neptune (still needs a texture update that will come in shortly)

Heightmaps for neptune and uranus in masters (soon in data)

Updated masters with gas giant heightmaps

Removal of dead and commented out code. Process incomplete for the moment. Still have a lot left. win32 does compile with non errors. Has not been playtested though.

Jupiter and saturn with new shaders

Fix a series of nonstandard shader idioms and implicit casts that break Mesa

Fix gas_giant fallback typo

Forgot to commit this shader

XML system and galaxy update to make use of new gas giant techniques

Gas giant techniques and shaders