EDIT

Some links I found:

• How to generate Envers database schema with org.hibernate.tool.EnversSchemaGenerator? https://stackoverflow.com/questions/9647528/how-to-generate-envers-database-schema-with-org-hibernate-tool-enversschemagener

• Hibernate Envers Generation of DDL script with ant. AUD tables not generated: https://developer.jboss.org/thread/221533

• Hibernate tools for Hibernate 4.x https://developer.jboss.org/thread/203735

• Hibernate Tools: http://hibernate.org/tools/

• Generelly interesting Hibernate Tools: http://tools.jboss.org/features/hibernate.html

• Older (ANT): http://www.thomas-letsch.de/2013/generate-ddl-with-hibernate-tools-jpa-and-maven/

• Entwicklung von Hibernate Tools scheint inzwischen wieder sehr aktiv zu sein: http://mvnrepository.com/artifact/org.hibernate/hibernate-tools

• 2013: Vergleich DDL Generierung xml mapping-annotation-JPA; Beispielprojekte https://www.taringamberini.com/en/blog/java/how-to-generate-ddl-with-hibernate-4-hibernate-tools-and-maven/

• https://stackoverflow.com/questions/32178041/where-did-configuration-generateschemacreationscript-go-in-hibernate-5

Juplo links:

• http://juplo.de/hibernate4-maven-plugin/index.html
• http://juplo.de/hibernate4-maven-plugin/configuration.html
• http://juplo.de/hibernate-maven-plugin/pitfalls.html
• https://gist.github.com/dwelch2344/5995614
• https://shred.zone/cilla/page/381/hibernate-4-schema-generation-with-maven.html

Older, not envers specific:

• http://www.onlinetutorialspoint.com/hibernate/hbm2ddl-auto-example-hibernate-xml-config.html
• https://stackoverflow.com/questions/27314165/generate-ddl-script-at-maven-build-with-hibernate4-jpa-2-1
• https://www.smartics.eu/hibernate4-maven-plugin/
• https://sourceforge.net/projects/hibernate4mavenplugin/files/hibernate4-maven-plugin/
• https://blog.progs.be/576/create-update-ddl-for-jpa
• http://jandrewthompson.blogspot.de/2009/10/how-to-generate-ddl-scripts-from.html
• https://blog.mafr.de/2008/04/12/hibernate3-schema-creation/

Hibernate doc:

• https://docs.jboss.org/hibernate/orm/5.0/manual/en-US/html/ch03.html

For directory shortcuts:

• https://stackoverflow.com/questions/13354531/maven-project-build-directory