see #8465 - Ask Windows users to update their Sun/Oracle Java 6 version to Oracle Java 7

git-svn-id: http://josm.openstreetmap.de/svn/trunk@6443 0c6e7542-c601-0410-84e7-c038aed88b3b
see #8465 - forgot icon

git-svn-id: http://josm.openstreetmap.de/svn/trunk@6444 0c6e7542-c601-0410-84e7-c038aed88b3b