Add Exts.ISqrt to avoid fp sqrt calculations.
this does not make any sense

with 0 HP you also can not a single dude
StyleCop
finished EmitCargoOnSell

closes #2424
replace EmitCargoOnSell with Cargo.EjectOnSell
check if palette.CurrentQueue is null to avoid a crash

fixes #5624
New Shellmap
spurious tab
add documentation
abort change owner when the actor is destroyed

fixes #5638
document the various overlay and animation change traits
don't capture dead actors
Merge pull request #5789 from Mailaender/render-trait-documentation

Documented the various overlay and animation change traits
Implement Format80 RLE compression
Fix and optimize FindTilesInCircle
StyleCop
Fix editor position of TD tiberium trees.
Remove duplicate split sequence.
Make blue tib tree more centered on cell (fixes #5744).

Remove obsolete splitblue art.
Replaces glitchy blue tiberium art with TS-style remapable tiberium art.
Remove bluetib.mix package.