Issue #2952547 by kducharm: Port to Drupal 8

CHANGELOG.md

README.md

composer.json

config/install/migration_tools.settings.yml

examples/Migration/AAA-copyme-___ToPageMigration.php

examples/Migration/BinaryFileMigration.inc

examples/Migration/CsvMigration.inc

examples/Migration/HtmlToGalleryImagesMigration.inc

examples/Migration/JsonToDatasetMigration.inc

examples/Migration/NodeMigration.php

examples/Migration/PageMigration.php

examples/Migration/UserMigration.inc

examples/Migration/WordpressMigration.inc

examples/Obtainer/ObtainTitlePressRelease.php

examples/Obtainer/example_finders.inc

examples/SourceParser/Page.php

examples/SourceParser/SecondaryParser.php

examples/field_mapping_examples.txt

examples/misfit-methods.txt

examples/reporting_example.txt