Better thruster FX
Don't raise water level by default
Special ability support

Also refactored Kung-fu Fighter's CEG ordering in the process
Fix "Better thruster FX"

We don't want to use the new CrossJet class until it actually does
something different from AirJet
Fix missing file in "Special ability support"
Fix badly triangulated Youngling Tiger model
Add Sharpshooter + a bunch of other stuff
Tweak Happy Trigger pics
Add gitignore
Some small cleanups/fixes