see #8571, #8593 - Hide values of proxy VM arguments for privacy concerns

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5840 0c6e7542-c601-0410-84e7-c038aed88b3b
fix #8593 - MapCSS: robustness to invalid regex patterns

git-svn-id: http://josm.openstreetmap.de/svn/trunk@5841 0c6e7542-c601-0410-84e7-c038aed88b3b