gmod_game: Fixed NPC's not duplicating with the right weapons

Revision 820
Fixed NPC’s not duplicating with the right weapons
Also fixes NPC’s not toybox saving with their weapons
Fixed paint issues with NPCChanged Files:
[ul]
[li]trunk/gamemodes/sandbox/entities/weapons/gmod_tool/stools/paint.lua[/li][li]trunk/gamemodes/sandbox/gamemode/commands.lua[/li][/ul]
Committed By Garry Newman