GDC AR Lib

- GDC_ForceGroupActiveLODComponent.c : when added to a group, this component forces the AI's LOD to 0, so that the group remains fully active regardless of its distance from the players.
- GDC_DebugGroupAILODComponent.c : when added to a group, prints to console the group's LOD and activity status
- GDC_ArtilleryFireSupport.et : system that creates configurable mortar fire missions for a group of AI.
- GDC Loadout Editor : A Workbench plugin to facilitate the creation of player loadouts.