Added the code to show the cylinders from a dive.
i
Added the code to show the cylinders from a dive,
this code also already permits additions from the
interface, so the user can click 'add' and insert
what he wants there.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Added support for visualization the Weigthssystems on the Equipment Tab.

This patch adds support showing and  for editing weigthsystems in the equipment tab,

so, now the two things that are missing are 'edit' and 'delete', wich are quite easy to do.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Fixed memory leak

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>