Clean up use of StatusLogger.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1601021 13f79535-47bb-0310-9956-ffa450edef68
Forgot to remove this TODO message.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1601022 13f79535-47bb-0310-9956-ffa450edef68
Fix NPE in Loader.getTCL() as reported in LOG4J2-640.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1601024 13f79535-47bb-0310-9956-ffa450edef68