TODO:

Make a PDF sample page for the web site using three example fonts such as...
Utopia, Bitstream Charter  Luxi, Helvetica or any of the Web fonts 
 - Trebuchet, Times *New * Roman, Georgia

Need improvments to the clean up code to insure that temp images are removed 
from .scribus folder.

Improve the Listbox events coding.

Continual holding of Up or Down keys causes preview to be redrawn rapidly. This causes
a number of problems.  Needs a timer to delay redraws when scrolling.
