Updating the minesweeper chapter in the manual to reflect the recent changes of the controls, add missing button descriptions (alternatives and the gigabeat keymap), replace the outdated 160x128 greyscale screenshot with a new one.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13714 a1c6a512-1295-4272-9138-f99709370657
2 files changed