${maven.ui.navcol.width} now defaults to 20% and replaces a hardcoded
20% in the site.jsl. With the new hierarchic expanding navigation,
it can get pretty wide when pushed to its limits.
git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@114314 13f79535-47bb-0310-9956-ffa450edef68