building tool (w) deletes POIs and takes tags

[dieterdreist]

The building tool (w) started recently to delete POIs (if you draw a new building above it) and incorporates the tags into the building polygon. This is a nice idea and an interesting advanced feature, but it is not at all suited to be the default behaviour (should be with a modifier). Please don't delete points automatically. In my case there was a long building along the street for several housenumbers (with lots of stores in), but currently only one shop (a restaurant) was mapped, so the result was plain wrong.