Add changelog entry for LOG4J2-373.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1612011 13f79535-47bb-0310-9956-ffa450edef68
spelling fix (will -> with)

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1612012 13f79535-47bb-0310-9956-ffa450edef68
Fix typos in messages manual page.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1612013 13f79535-47bb-0310-9956-ffa450edef68