Convert Missile to world coordinates. Fixes #3347. Closes #3434.
Use a properly sampled Gaussian for the tesla zap path.
Remove obsolete Gauss1D/Gauss2D functions.
Add WVec.ToCVec() extension method.
Remove PSubVec from AttackWander.
Remove obsolete PSubPos and PSubVec.
Remove obsolete functions from Traits.Util.
Use WAngle.ArcTan in Traits.Util.GetFacing.
Fix Traits.Util style issues.
Remove obsolete PPos functions from Target.