Autoarrange icons after unhiding an application that has miniaturized

windows, else they may cover other icons which are now in the positions
they have occupied before hiding

TODO

@@ -14,6 +14,9 @@ Do ASAP:
 
 Need to do:
 ===========
+- fix scaling/maxscaling code. it seem to always maxscale
+- impelment a generic pixmap type, which receives attributes
+  (scaled/maxscaled/centered/tiled, smoothed, size/position, ...)
 - allow user to select/restore default root menu from wprefs
 - support for X11R6.4 extension for getting extra visual info in wrlib's
   automatic best context guessing