[josm_measurement] fix #josm8752 - measurements aren't updated when rescaling ways

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@29625 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_reverter] fix #josm8766 - Do not add deleted nodes to reverted ways

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@29627 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4