Typos on comments

Fixing 2 typos on comments.

Signed-off-by: Rodrigo Severo <rodrigo@fabricadeideias.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Test dive for odd pressure profile

When near the surface the pressure doesn't change - and then there is a
sudden drop at the end.

Signed-off-by: Rodrigo Severo <rodrigo@fabricadeideias.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Ignore units when entering values for equipment

Note that this is IMHO the wrong fix. Because we shouldn't just ignore the
units, we should do correct conversions.

Before this patch, if the user is in metric mode and then types in 4.5kg
or 10lbs for a weight, Subsurface ignores the entry and throws it away.
Very much not the expected behavior.

With this patch Subsurface will take the value, but ignore the unit and
assume that the user meant kg (since it's in metric mode). Still not
really the expected behavior for 10lbs (which is now 10kg), but if the
user typed 4.5kg (which admittedly is much more likely), then with this
change Subsurface will do the right thing.

Fixes #395

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