Fuze+/calendar's plugin update keymaps and manual
- fuze+ keymaps for calculator updated
- manual updated accordingly
- also correct a little problem with a line only used by mpio hd300
manual but that appears on all other target's manual.
Change-Id: I9c4d3c21dc6174079edbde8035bad318e09ec74a
Reviewed-on: http://gerrit.rockbox.org/125
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>
authored by