Adds material definitions, map configs, sky clusters, and some cameras for the "vanilla" mission packs (rogue, xatrix),
as well as some enhancements and fixes:
Fix LIGHT material flag always being set when synth_emissive was used - makes synth_emissive of model skins viable
Add support for '**' in material definitions - useful for related material definitions that aren't all in the same directory
Provide visual effects when rogue's IR Googles are used
Adds material definitions, map configs, sky clusters, and some cameras for the "vanilla" mission packs (rogue, xatrix), as well as some enhancements and fixes: