Fixing combatant layer assignment, and drawing combatants.
Combatant auras show up.
When making a combatant you can drag it around.
Selected combatant has a dashed thing
clicking a combatant on the map selects it.
Fixed clicking vs drag on adding combatant.
Fixed only showing combatants on visible layers.
no longer dispalying layer and layer id on map
Pan map and move combatant are one and the same