MavenPluginManager helper to deal with API changes between Maven 3.0.x and 3.1.x, ie
switch from Sonatype Aether (in org.sonatype.aether package) to Eclipse Aether (in
org.eclipse.aether package) for some parameters.
Bean which contains necessary informations to build MavenReportExecution with MavenReportExecutor:
the intent is to store some informations regarding the current Maven execution.