[patch] make terracing with existing address nodes easier

[robome]

I often do buildings where address nodes already exist or get to places where both already exist. To make the job of terracing those buildings easier for me I extended the terracer plugin.

This patch let you select address nodes additionally to a building outline and use those selected adresses to populate the housenumber field (a new one called "List of numbers" to be precise).
Additionally I implemented a special case so that selecting a building outline and one address node without the need for a dialog.

[bastiK]

Sorry, I haven't seen your patch before committing my changes, would you mind updating the patch?

[robome]

new version against rev 24697

[robome]

Replying to bastiK:

Sorry, I haven't seen your patch before committing my changes, would you mind updating the patch?

done

[bastiK]

Applied. (In [o24713])

[bastiK]

I like it, would be worth some documentation. (​http://wiki.openstreetmap.org/wiki/JOSM/Plugins/Terracer)

[robome]

Replying to bastiK:

I like it, would be worth some documentation. (​http://wiki.openstreetmap.org/wiki/JOSM/Plugins/Terracer)

Thank you Sebastian for applying.
And as suggested I updated the documentation a bit (also mentioned the feature you introduced yesterday).

[bastiK]

Thanks for the doc. Ideas for further development:

• allow free input like 7-11,13a,13b,15-21,25-29
• apply house numbering to adjacent houses that have been drawn by hand