Convert damage modifiers to integer percentages.
Convert speed modifiers to integer percentages.
Convert firepower modifiers to integer percentages.
Rename ProneSpeed to SpeedModifier in TakeCover.
Upgrade mod rules.
Added more Lua functions
Fixed UpgradeRules for #6030.
Fixed Warhead ValidTargets and InvalidTargets.
#6030 regression fix. Added EffectivenessAgainst <= 0 check to IsvalidAgainst for Warhead.
Made Effect, Resource and Smudge warheads return 0% effective against actors.
Fixed custom weapon rules in maps.
fix silo animations playing during building placement

closes #6258
Merge pull request #6218 from pchote/percentmods

Change attribute modifiers to use integers.
Merge pull request #6183 from UberWaffe/6030Fix_UpgradeRules

Closes #6177
Closes #6222
Closes #6240
Closes #6245
Merge pull request #6262 from Mailaender/silo-placement-loop-glitch-fix

Fixed silo fullness animations loop during building placement
Merge pull request #6201 from cjshmyr/morelua

Add more Lua functions