Update maven docs
Update maven docs

Remove onbuild references

Fix https://github.com/carlossg/docker-maven/issues/68

Bonitasoft-Community/docker_docs,tilosp-docker/library-docs,docker-library/docs,avoinea/docs,infosiftr/docker-library-docs,dinogun/docs,dmetzler/docker-library-docs,crate/docker-docs,dmetzler/docker-library-docs,docker-solr/docs,Lightstreamer/docs,zendtech/docs,jetty-project/docker-docs,docker-library/docs,nats-io/docker-docs,nats-io/docker-docs,ceejatec/docs,31z4/docs,avoinea/docs,31z4/docs,tilosp-docker/library-docs,docker-flink/docs,dinogun/docs,ceejatec/docs,infosiftr/docker-library-docs,docker-solr/docs,zendtech/docs,crate/docker-docs,odoo/docker-docs,jetty-project/docker-docs,odoo/docker-docs,Lightstreamer/docs,docker-flink/docs,Bonitasoft-Community/docker_docs