Disable all unused FreeImage plugins
Block fs_ convars from Lua
Minor cleanups (whitespace)
TTT: Remove usages of PANEL:SetDisabled
* Also made "Confirm Death" button get disabled if pressed, like "Call Detective" does.
Remove usages of Panel:GetDisabled for base game
Disabled DMenuOption adjustments
* Clicking disabled options no longer closes all menus
* Disabled options no longer react to hover events (visually)
Delete unused `showhitlocation` convar
Micro optimizations for Matrix() & Entity:GetBoneMatrix
Micro optimizations for some Vector stuff
* Vector global, __div, __mul, Mul
* Mostly caching GetType result
Added Entity:CopyBoneMatrix
Same as GetBoneMatrix, but instead or returning a new matrix, it copies the data to the matrix given in 3rd argument, which should be faster.