Implemented palette ordering (issue 112). You can activate it in the secondary palette window (shift-P), it's saved in gfx2.ini.

The skin file has 2 more icons for the arrows (Ilija, grafx2 won't load if you don't update yours)
Updated contextual help for the secondary palette window.
Fixed some typos in code.

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@704 416bcca6-2ee7-4201-b75f-2eb2f807beb1

main.c

@@ -587,6 +587,7 @@ int Init_program(int argc,char * argv[])
   // On affiche le menu:
   Display_menu();
   Display_paintbrush_in_menu();
+  Display_sprite_in_menu(BUTTON_PAL_LEFT,18+(Config.Palette_vertical!=0));
 
   // On affiche le curseur pour débutter correctement l'état du programme:
   Display_cursor();