2.2.2

Version 2.2.1 skipped because of marketplace restricting to update bad files of same version.

Release log:

• Magento 2.3 support
• Php 7.2 support
• Add setting to customize file delimiter and feed filename under General configuration.
• Moved cronjob from default cron group for better detachment and cloud cron issues
• Remove legacy auto-select options JS on configurable product page.
• Fix null to count() errors
• Backwards compatibility around SerializerInterface
• Fix issue with configurable products mapping.
• Fix notice causing feed config to not load.