MNG-5549 introduced MojoExecutionListener and ProjectExecutionListener

Signed-off-by: Igor Fedorenko <ifedorenko@apache.org>
MNG-5550 default MojoExecution source to Source.LIFECYCLE

Signed-off-by: Igor Fedorenko <ifedorenko@apache.org>
MNG-5552 made classifier part of MavenProject.artifactMap key

Signed-off-by: Igor Fedorenko <ifedorenko@apache.org>