[josm_download_along] fix #josm2283 - Download GPX data along a way + update to JOSM 6054

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@29746 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_tagging_preset_tester] fix #josm8852 - Exception wen reloading buggy preset

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@29748 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4