Erwan - cache fixes - Code review highly appreciated, please criticize my code!

- fix issue 65 (quads when no image  load slowly in shop/deck editor)
- Possibly fix issue 92, please let me know if it reproduces
- Fix issue 97 (Deck editor: weird behavior of deck display)
- Fix issue 39 - please verify
- Issue 56 can probably be closed as well
- Fix issue 86

projects/mtg/src/GuiAvatars.cpp

@@ -96,4 +96,5 @@ void GuiAvatars::Render()
     r->FillRect(self->actX - w * self->actZ, self->actY - h * self->actZ,  w * self->actZ , h * self->actZ, ARGB(200,0,0,0));
   }
   GuiLayer::Render();
+
 }