PublishMojo - Aether components removed.
Aether dependency removed.
AetherUtils.addRepositoryListener()
Gradle: repositories{ .. } update.
BuildInfoRecorderLifecycleParticipantTest uncommented.
PublishMojoHelper - extra check for null values in properties.
Back to "build-info-extractor-maven3/src/main/java".
Merge pull request #20 from evgeny-goldin/maven-plugin

Switch to AetherUtils