fix #8644 - Update of horse-related presets (patch by skyper)

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5942 0c6e7542-c601-0410-84e7-c038aed88b3b
see #8409 - Remove empty icons definitions

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5943 0c6e7542-c601-0410-84e7-c038aed88b3b
add http:

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5944 0c6e7542-c601-0410-84e7-c038aed88b3b
fix #8522 - remember and play last played audio marker for start/stop

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5945 0c6e7542-c601-0410-84e7-c038aed88b3b
fix #7658 - don't load icons from user relative paths (require explicit path settings)

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5946 0c6e7542-c601-0410-84e7-c038aed88b3b