This change allows us to avoid StringBuilder usage for primitives.
Updated the StringBuilder codepath to efficiently append
byte objects.

Slf4j in the FAQ page.

versions:display-plugin-updates.)

'mvn clean verify -pl log4j-core' passes.

1.25.0 to 1.25.1. Running 'mvn clean verify' passes.

Update tests from Apache Commons Lang 3.6 to 3.7.

jackson-annotations 2.9.0 instead of 2.9.2.

org.eclipse.jetty.util.log.Logger. Javadoc.

org.eclipse.jetty.util.log.Logger. Site docs.

org.eclipse.jetty.util.log.Logger. Javadoc.