[Tagging] inuse, defacto

[Andreas Goss]

> Why is it important? The main thing that matters is than only one
> definition exists for an item, irrespective of how often it is used.

A few months ago I looked a TagInfo for tags that people are using but 
have no Wiki entry. Once you get closer to like 100 uses and below you 
find a lot of tags that probably only have one definition, but aren't 
really that great. Like wrong key, bad/not english, used by just a few 
mappers, maybe local etc.
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openstreetmap.org/user/AndiG88
wiki.openstreetmap.org/wiki/User:AndiG88‎