Fuel drain, 40HMG weight, removed mp3s

-Fuel is now drained from all active tanks, instead of sequentially
-Slightly nerfed 4.1L i5 diesel torque
-Dropped 40mm HMG weight from 960 to 600, increased mag size from 30 to
35
-MG/HMG recoloring fixed
-Removed a few redundant sounds
Bugfix

Forgot to copy over the initialization for a variable.
Converted E2 functions to starfall
Fixed FlyRPM not resetting
Fixed improper ammo active values
Merge pull request #124 from EpicG/master

Converted E2 functions to starfall
Updated revision, changelog
HE Fixes, SL Update, AP Shove

-Fixed update checker failing
-Fixed refill crates not spawning correctly
-Fixed ACF_CalcMassRatio not working when called on a non-physical child
-Fixed E2/Starfall acfBlastRadius() returning incorrect values
-Fixed armor tool not handling unconstrained parenting
-Added physical mass, parented mass, and mass ratio output to armor tool
reload
-Smoke launcher weight dropped from 55kg to 25kg
-Smoke launcher is now parentable
-Flechettes now use radial spread instead of square
-HE now takes ductility properly into account when dealing blast damage
-HE shove no longer ignores the scale convar "acf_hepush"
-HE now applies force to all props, not just physical props
-HE shove is less potent
-AP shove now takes parented mass into account
Merge remote-tracking branch 'upstream/master'