fix useless RenderUnit trait addition and removal
fix broken tabs before newline and remove unnecessary spaces
set up Tiberian Sun and Firestorm soundtrack
Added a (temporary) C&C chrome skin for Tiberian Sun
Added a minimal work in progress TS mod with few backfalls on RA

to showcase infantry, vehicles, aircraft
Merge pull request #3603 from Mailaender/tiberian-sun

Added a Tiberian Sun test mod