[maven-release-plugin]  copy for tag apache-log4j-extras-1.2

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/companions/extras/tags/apache-log4j-extras-1.2@1478906 13f79535-47bb-0310-9956-ffa450edef68
tree: 0e56a9494e938b1cd3a828899e97d14cbf1d657d
  1. src/
  2. LICENSE
  3. NOTICE
  4. pom.xml