message: Civilian units are never flipped as part of a congress assignment
diff: @@ -1878,7 +1878,7 @@ class RFCUtils:
  for tPlot in self.surroundingPlots((x, y), 2):
  for unit in self.getUnitList(tPlot):
  if (not self.plot(tPlot).isCity() or self.plot(tPlot).getPlotCity() != city) and unit.getOwner() == city.getOwner() and unit.getDomainType() == DomainTypes.DOMAIN_LAND:
  - if len(lFlippedUnits) < iNumDefenders:
  + if unit.canFight() and len(lFlippedUnits) < iNumDefenders:
  lFlippedUnits.append(unit)
  else:
  lRelocatedUnits.append(unit)
  