Rename charcoal burner('s house) to charcoal furnace
Fix usage in campaigns
And fix usage in scenario maps
Merged trunk
Merged trunk (again)
s/furnace/kiln/ first
Renamed burner to charcoal_burner
Replace burner with charcoal_burner in the campaigns
Replace burner with charcoal_burner in maps
Revert some changes where we had existing use of furnace
Fix small suggestion
Merged trunk
Question answered
Renamed Charcoal Burner and Charcoal Burner's House to Charcoal Kiln, making the building name consistent among all tribes.
Renamed Burner (the worker) to Charcoal Burner.