Reword description for delete action

The current text implies that deleting hides a feature on the map, and not what it really does.
test visibility of gpx coords instead of just comparing extents.
climing → climbing
Merge pull request #2307 from 1ec5/climing

climing → climbing
Class midpoints to match parent way and adjust styles.
After editing more with 1.5.3, I really dislike the more visible
midpoints I added in afa1efd.  This commit gives the midpoints
tag classes so that we can style only *certain* midpoints more visible
(footpath, cycleway, bridleway, etc) and leave all the others dim.
Do not fully fill certain landuse values, e.g. landuse=residential

residential, retail, commercial and industrial landuse tags
typically cover large, dense areas with many overlapping
features. The large click targets of filled areas have proven
to be very good for usability in the general case, but are
a common source of accidental mistagging in this case.

We may add additional tags to this list, but these are the
obvious first step — especially landuse=residential.

Fixes #542.
Merge pull request #2299 from simonpoole/patch-3

Reword description for delete action
Update translations
1.5.4
Check in build