add a couple more ambient tracks

forgot some files

edit ambient sounds.

add skull prop

update background ambience.
new crystal props, and new lamp props.
slightly brighter textures.

add 2 new cave sounds

splash effects now are affected by the SFX volume slider.
ambient track now pauses when game is paused (move track to FMOD bank)

allow 8 large splash sound FX instead of 4.

Added water for HS.