The generated dialogs for encoder and TTS configuration didn't scale well and were missing icons. Use a grid layout so buttons are aligned properly now, remove the fixed width for buttongs (which breaks immediately if a label text is getting too long, especially when using a translation).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23075 a1c6a512-1295-4272-9138-f99709370657
