[feature/event-exporter-tests] Crawl the phpBB directory for events
[feature/event-exporter-tests] Move event exporter to namespace
[feature/event-exporter-tests] Rename exporter to php_exporter
[feature/event-exporter-tests] Move MD Exporter to separate file
[feature/event-exporter-tests] Fix export script
[feature/event-exporter-tests] Fix Markdown layout