Ubiratan Oliverio <ubira@mandic.com.br>
 contributed jpilot-icon1.xpm, Judd reduced the amount of colors
vik vik@asi.org
 contributed jpilot-icon2.xpm
Robert Anderson <rea@q.sr.unh.edu>
 made icon2 background clear -> icon3
Judd Montgomery
 took icon1, lightened it, and reduced it to 16 colors and named it icon4
