[HOT] JOSM to include imagery_used tag in history display of an object

[Blake Girardot]

Don-vip has added the imagery_used tag to the ctl-h history display
panel in JOSM to the development branch of that project.

This is the field that iD adds to changesets automatically instead of
a source= tag where we usually see imagery listed that was only put in
the source=* field.

So quick ctl-h lookups on objects should now start listing more of the
imagery used in a future release of JOSM

Thank you very much Dono-vip!

Cheers,
Blake