Update the convenience CopyToGames.bat to only work for user.

It now checks %username% == bo3b, and if not, exits without copy, so it won't impact others, but can still be checked in.
Move uninstall.bat to dependencies, and complete it.

Didn't uninstall all the possible debug stuff, and so it now includes every possible thing that winds up in the game folder.
Also deletes the ShaderFixes folder.

Moved to dependencies so that it gets copied for local builds.

Move specific copy step for game target builds, as it gets copied with dependencies.
Fix SR4 shader decompile bug where the ld_aoffimmi had bad indices.

Range is -8..7 not 1..15 as returned by the decompiler.
Matched code for gather4, and it fixes the error.