Lua file clean ups
* Mostly deprecated functions removals
* Replaced usage of DImage:SetMaterial with SetImage when the argument is a string
* Removed usages of Tool:GetSWEP() => Tool:GetWeapon()
* Removed some remaining usages of self.Entity
* Fixed Winch right click not setting rope color correctly
* Removed arguments provided to EnableVerticalScrollbar (it has no arguments)
* More misc (unused/missing) function argument related clean ups
Enable "permanent failure" check on SRCDS steam logon failure
Was commented out because it required a newer SDK version, which we now have.
Basically will login anonymously if the GLST is invalid I think
Prevent ent_create player
Gravity Gun obeys sv_defaultdeployspeed
Yes, this means that you can no longer grab AR2 balls that you yourself fire without increasing sv_defaultdeployspeed above the default of 4
Fixed crashes with ENT.RenderGroup = RENDERGROUP_STATIC(_HUGE)
Remove mat_stub
Fixed a crash with gameui_show_dialog and remove the concommand
Potential crash fixes to do with traces