* method to disable upkeep for 'NPC' villages -- use team 16/17 for npc
only teams
* new combat objective -- guard entity.  follow/protect entity. 
persisitent waypoint.
* validate TE on first click on routing slip
* remove unused civic courier post code
* update most ai to check if target position is loaded, skip if not
loaded
* update most civic work sites to not scan unless entire scanable area
is loaded