Introduces ReloadModifier
and renames ROF -> ReloadDelay
ReloadModifier & ROF -> ReloadDelay yaml changes
Upgrade rule for ROF > ReloadDelay renaming.
Adds length display support for PCM & IMA music.
Merge pull request #6089 from reaperrr/wavlength

Add WavSoundLength to show track length in music player
Merge pull request #6079 from reaperrr/rof-modifier

Adds ReloadDelay modifier & renames ROF to ReloadDelay
Move common DoImpact(Target) method into DamageWarhead.
Remove more unnecessary plumbing.
Move warheads into mod code.
Convert weapon plumbing to use integer damage modifiers.
Further warhead streamlining.
Change EffectivenessAgainst to CanTargetActor.
Remove fp calculations from SpreadDamageWarhead.
Remove now-redundant AbsoluteSpreadDamageWarhead.
Convert versus to integers.
Increase falloff accuracy for large damage amounts.
Fix inner range filtering in HealthPercentageDamageWarhead.