fixed #236 by making the launcher dialogs slightly larger. Also limited emulator dialogs to the same size.

src/gui/LauncherDialog.cxx

@@ -164,7 +164,7 @@ LauncherDialog::LauncherDialog(OSystem& osystem, DialogContainer& parent,
 
   // Create an options dialog, similar to the in-game one
   myOptions = make_unique<OptionsDialog>(osystem, parent, this,
-                  int(w * 0.8), int(h * 0.8), true);
+                  int(w * 0.85), int(h * 0.85), true);
 
   // Create a game list, which contains all the information about a ROM that
   // the launcher needs

src/gui/Menu.cxx

@@ -26,5 +26,5 @@ Menu::Menu(OSystem& osystem)
   : DialogContainer(osystem)
 {
   myBaseDialog = new OptionsDialog(myOSystem, *this, 0,
-      FrameBuffer::kFBMinW, FrameBuffer::kFBMinH, false);
+      int(FrameBuffer::kFBMinW * 0.85), int(FrameBuffer::kFBMinH * 0.85), false);
 }