Justification for prior change.

Code change is in commit 281f3e7. 

Justification:
Note that in the past, we used the theme icon if present. This is wrong
IMO; the window icon should match the thing that the user clicks in
their OS to start FoFiX.

fofix/core/GameEngine.py

@@ -203,10 +203,7 @@ def __init__(self, config = None):
         self.title             = self.versionString
         self.restartRequested  = False
 
-        # Find window icon
-        #WRZ Note that in the past, we used the theme icon if present.
-        #  This is wrong IMO; the window icon should match the thing
-        #  that the user clicks in their OS to start FoFiX.
+        # Load window icon
         icon = os.path.join(Version.dataPath(), "fofix_icon.png")
 
         self.video             = Video(self.title, icon)