Engine Damage, Weapon Damage, Debris Cutoff, etc.

Added:
- Engine damage reduces torque by up to 75%
- Weapon damage reduces accuracy by a factor of 4
- Engines have 1/8th the equivalent prop health
- Debris under a cutoff bounding box radius will be removed.
- Restored previous ACF armor values (SA multiplier from 8.5 to 6.45)

Done by Sestze (no stealing)
Restore some changes that were overwritten
Make sure your local copy is up to date or you merge any changes since your edit before committing!!!
New ammocrates: 1x1x4, 1x1x6, 1x1x8, 2x2x6, 2x2x8, 4x4x1, 4x6x6, 4x6x8, 4x8x8.
remember to change the acf.version guys, come on
Rebalanced Autocannons, Autoloaders and Semi-autos.
Added new guns: 12.7mmRAC, 240+290mmHW, 150+280mmMO, 170mmC+AL
Merge remote-tracking branch 'remotes/upstream/master'

Conflicts:
	lua/acf/server/sv_acfballistics.lua