Add a new 'show' Animation, and use it on the close button.

The error with 'ungrabMouse' warning that we got was because
we were removing an item that had the mouse grab instead of
waiting a few milisseconds so it won't be the mouse grabber
anymore.

So I'v used the Animations::hide() to get rid of it, and
since it worked well, I'v also added a Animations::show()
method to display it in a good fade-in way.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Manual - minor fixes for the bottom sections of the manual

Nearly all done now!

Signed-off-by: Tim Wootton <tim@tee-jay.demon.co.uk>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Mark divelist changed after removing a picture

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>