message: Correct starting level of units placed by the scenario file
diff: @@ -862,8 +862,8 @@ class CvUnitDesc:
  self.leaderUnitType = None
  self.owner =-1
  self.damage = 0
  - self.level = 0
  - self.experience = 0
  + self.level = -1
  + self.experience = -1
  self.promotionType = []
  self.facingDirection = DirectionTypes.NO_DIRECTION;
  self.isSleep = False
  