Version 3.0.2

• Fix for dependencies not included in pom: instead of publishing artifacts, publish a software component (+ other artifacts like javadoc and sources)

Version 3.0.1

• Fix when both javadoc and groovydoc

Version 3.0.0

• Removed jcenter
• use of gradle 6.8
• Major refactoring of the release and repository plugins to use the publishing concepts
  (old concepts removed in gradle 7.0)
• Renamed all plugins to org.pongasoft
• Changed allRepositories to externalRepositories
• Added plugins org.pongasoft.externalPublishing, org.pongasoft.signing, org.pongasoft.sonatypePublishing