JOSM/tracer2: Change server version format.

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30053 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
JOSM/tracer2: Add ignore list.

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30054 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4