fix #8966, fix #9106, fix #9289, fix #9301, fix #9302 - validator/tagchecker: fix various tests (modified patch by skyper)

git-svn-id: http://josm.openstreetmap.de/svn/trunk@6384 0c6e7542-c601-0410-84e7-c038aed88b3b
Merge branch 'master' into mirror