message: set defualt size of CircleBadge to medium
diff: @@ -5,7 +5,7 @@ import {withSystemProps, COMMON} from './system-props'
  const ICON_CLASS = 'CircleBadge-icon'
  -const sizeMapper = size => {
  +const sizeMapper = (size = 'medium') => {
  if (typeof size === 'number') return size
  const map = {
  small: 56,
  