[josm_opendata] better handling of .ods files (management of repeated cells)

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@29298 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_opendata] fix #josm8469 - Support of "assainissement" French data set (several nodes per line)

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@29299 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_opendata] update data.gouv.fr module (contains fix for #josm8469 - Support of "assainissement" French data set)

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@29300 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_opendata] update modules list

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@29301 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4