[WIP] Components, II attempt

- [x] tag all bundles 
- [x] review all bundles' `composer.json`
- [x] review all components' `composer.json`
- [x] review all bundles' `CHANGELOG`
- [x] review all components' `CHANGELOG`
- [x] rename Payments to Payment on packagist and github
- [x] rename Promotions to Promotion on packagist and github
- [x] rename Taxonomies to Taxonomy on packagist and github