Adds WithBarrel trait.
Merge pull request #6283 from reaperrr/sprite-barrel

Adds WithBarrel trait
Rename Adpcm to ImaAdpcm everywhere.

To avoid confusion with Microsoft ADPCM and other ADPCMs.
Back-port some style fixes from ImaAdpcmLoader to AudLoader.
Merge pull request #6459 from reaperrr/ima-aud-style

Renamed AdpcmLoader to ImaAdpcmLoader
Fix GAPOWR.
Fix PROC.
Add Guard/Guardable to ^Helicopter.
Add GASILO.
Add TS Test AI

^Building now has FrozenUnderFog.
Merge pull request #6342 from Phrohdoh/TibSunAI

TS TestAI and more.
Tile misplacement in zeus and apollo map.

Fixes #6443
setup all the silo sequences
Merge pull request #6463 from MatthijsBenschop/Apollo-map-tiles-fix

Tile misplacement in zeus and apollo map.
fix a bib rendering problem due to manual sprite scaling
fix a syntax error
Fix for stealth tanks needing cloak upgrade
Adds LockOnProbability to missiles.
Turns CloseEnough from a hack into a feature.
Adds some descriptions.
Caches args.SourceActor.World.
If we cache world anyway, might as well use it everywhere.
Use new missile features on TS Bazooka.
Disable WithDeathAnimation for TS visceroids.
Fixes #6476.
Merge pull request #6474 from jonathanmiles/fix-stealth-tank-cloak

Fix for stealth tanks needing cloak upgrade
Merge pull request #6479 from reaperrr/visc-death-fix

Disabled WithDeathAnimation for TS visceroids
Merge pull request #6462 from Mailaender/ts-silo

Added all the Tiberian Sun silo sequences