- Updated WINGs/NEWS with info about hw the API changed how how things

are affected. Fixes for old code too.
- Double buffering in WMList. All widgets or apps using WMList and
  having user drawing porcedures in place will inherit this double
  buffering automatically too.
- New functions in WINGs: WMGetColorAlpha(), WMIsAAFont()
- Misc code cleanups in WINGs and src/dialog.c

WINGs/wappresource.c

@@ -102,7 +102,7 @@ WMCreateApplicationIconBlendedPixmap(WMScreen *scr, RColor *color)
         gray.red = 0xae;
         gray.green = 0xaa;
         gray.blue = 0xae;
-        gray.alpha = 0;
+        gray.alpha = 0xff;
 
         if (!color)
             color = &gray;