[josm_opendata] fix module/handlers conflicts in toolbar actions with same name

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30211 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_opendata] fix module/handlers conflicts in toolbar actions with same name (module dist)

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30212 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_opendata] fix module/handlers conflicts in toolbar actions with same name (module list)

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30213 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4