WIP: Fix LogManager ClassNotFoundError

This Merge request is a work in progress. It is completed when further exams were checked for same problems.

Closes #5 (closed).

changed the description

assigned to @goik

mentioned in commit 966a47a2

merged

Reverted: Your merge request is based on the »old« Log4j-1.2 API being imported as an unintended transient dependency in this project. This allows for using superseded org.apache.log4j.Logger no longer being distributed by the more current log4j-core API.