gmod_src: game.CleanUpMap() should restore brush based ents ..

Revision 796
game.CleanUpMap() should restore brush based ents too
Added ents.GetMapCreatedEntity( int )
Added bool Ent:CreatedByMap()
Added int Ent:MapCreationID()Changed Files:
[ul]
[li]trunk/src_garrysmod/game/server/baseentity.cpp[/li][li]trunk/src_garrysmod/game/server/baseentity.h[/li][li]trunk/src_garrysmod/game/server/mapentities.cpp[/li][li]trunk/src_garrysmod/game/shared/garrysmod/gmod_gamerules.cpp[/li][li]trunk/src_garrysmod/garrysmod/Library/gl_ents.cpp[/li][li]trunk/src_garrysmod/garrysmod/Objects/lua_entity_sv.cpp[/li][/ul]
Committed By Garry Newman