Undo GMod changes to metrocop_sheet.vmt * Removes bumpmap from the NPC version, restores specular. (these 2 effects are not directly compatible) Player model unchanged. Fixed glowing foreheads on combine soldier player model Improve reliability of Voice Chat HUD * Adds util.IsPlayerSpeaking (internal really) * PlayerStartVoice & PlayerEndVoice now get called consistently even if the player entity does not exist. They also both get consistent PlayerIndex argument, which is now used in base gamemode to index voice panels