Added support for historical reports by adding a new <code>clover:save-history</code> goal that saves a Clover history point. The history points are then used by <code>clover:report</code> to generate history reports (including a link on the Maven-generated website).
maven/maven-1/plugins/trunk/clover/plugin.jelly
maven/maven-1/plugins/trunk/clover/src/plugin-test/testGenerateHistoryReport/