Class used to display participant object. It differs from other renderers because the
super class paint method isn't called.
author: Sasa Bojanic author: Miroslav Popov
Paints participant. Overrides superclass paint to add specific painting. Basically,
it draws a rectangle and vertical line, it draws it twice for selected participants.
Eventually departmetns name is displayed rotated and in color to indicate selection.
Parameters: g - Graphics to paint to