fix #9286 - fix rendering of names for rescaled SVG icons

git-svn-id: http://josm.openstreetmap.de/svn/trunk@6374 0c6e7542-c601-0410-84e7-c038aed88b3b
ignore `opening_hours` in tagchecker

git-svn-id: http://josm.openstreetmap.de/svn/trunk@6375 0c6e7542-c601-0410-84e7-c038aed88b3b