Added Button Container Border Style Options
Following style options were added to URBNAlertStyle. This allows your to give the button container borders if desired. Note these properties have no defaults and both must be set for a side for it to display.
buttonContainerTopBorderWidth
buttonContainerBottomBorderWidth
buttonContainerLeftBorderWidth
buttonContainerRightBorderWidth
buttonContainerTopBorderColor
buttonContainerBottomBorderColor
buttonContainerLeftBorderColor
buttonContainerRightBorderColor