[Fuze+][Keymaps] Application and viewer keymaps update

Last core update for keymaps and manual. Manual is now 100% complete

Change-Id: I9ad33206ecea41a88cba7a355da911fa7ab0455d
Reviewed-on: http://gerrit.rockbox.org/521
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>
15 files changed