code: protected ExceptionCollection scanArtifacts(MavenProject project, Engine engine) {
          return scanArtifacts(project, engine, false);
      }
docs: Scans the project's artifacts and adds them to the engine's dependency
  list.
  
  @param project the project to scan the dependencies of
  @param engine the engine to use to scan the dependencies
  @return a collection of exceptions that may have occurred while resolving
  and scanning the dependencies