Add logger

implements #133 (closed) Throws warning since quarkus uses https://mvnrepository.com/artifact/org.jboss.slf4j/slf4j-jboss-logmanager (quarkus is under the artifacts). Warning: http://www.slf4j.org/codes.html#multiple_bindings

But works fine.

mentioned in merge request !81 (closed)

mentioned in merge request !78 (merged)

Please close if everything is integrated and documented in !78 (merged)

@stu203404 Can be closed in favor of !78 (merged) now, right?

merged

changed milestone to %0.5.0