Systray impl. - in libegg/

	+ get egg/tray ownership cleared up ...
		+ can we JCA it ? for inclusion in OO.o ?
		+ eggstatusicon.[ch] - owned by Sun anyway...
		+ eggtrayicon.[ch] - owned by Andersca, MarkMc & small
		  bits from HP. "jcape" also ...
		+ audit what's going on ...


