1) Add text to cover location management
2) Delete duplicate text for entering dives manually
and entering dives from a dive computer. The sections dealing
with location, cylinders, weights, and other items on the Info tab
were duplicated for these two types of data entry into Subsurface.
This duplication is now removed.
3) Replace five screen shots
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
