sourcepit/b2#139: srcpit-parent 20-SNAPSHOT (Maven 3.2.3)
sourcepit/b2#139:  org.apache.maven.bridge currently not exposed via
Maven Api (3.2.3) but required by API components, e.g
org.apache.maven.project.DefaultProjectBuilder.
sourcepit/b2#139: Filter Maven core artifacts from b2 extensions
classpath (to prevent duplicated jsr330 component instanciations)
sourcepit/b2#139: Merge branch 'pu/maven-3.2.3'