OXID eShop version 6.0.2

Originally published at: https://oxidforge.org/en/oxid-eshop-version-6-0-2.html

This patch update was extraordinarily pushed up to give you a proper time frame to establish the GDPR compliance with OXID eShop. Additionally, we started to introduce new principles of code writing in order to become more flexible, agile and innovative when changing the core. Anyway, this patch update contains bug fixes as well as loads of pull requests.