add maven plugin

plugins/mvn/mvn.plugin.zsh

+function listMavenCompletions {
+reply=(
+cli:execute cli:execute-phase archetype:generate generate-sources compile clean install test test-compile deploy package cobertura:cobertura jetty:run gwt:run gwt:debug -DskipTests -Dmaven.test.skip=true -Dtest= `if [ -d ./src ] ; then find ./src -type f | grep -v svn | sed 's?.*/\([^/]*\)\..*?-Dtest=\1?' ; fi`);
+}
+
+compctl -K listMavenCompletions mvn