[Pkg-osm-maint] Bug#753378: josm: not installable in sid

[Diego Roversi]

The problem can be solved by removing the depends on that particular version of
limetadata-extractor-java, and removing the patch

07-downgrade-metadata-extractor.patch

The dependency on libmetadata-extractor-java is already fixed on upstream:

http://josm.openstreetmap.de/ticket/8895

Note, fixed this, there are more build problem with the lastest version of 
jmapviewer that doesn't work with r6502 version of josm.

I hope it helps.