see #8562 - remote control using dual stack

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5893 0c6e7542-c601-0410-84e7-c038aed88b3b
remove static variable

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5894 0c6e7542-c601-0410-84e7-c038aed88b3b
Merge branch 'master' into mirror