M3 warnings - replace deprecated variables
  - replace ${version}        with ${project.version}
  - replace ${artifactId}     with ${project.artifactId}
  - replace ${pom.version}    with ${project.version}
  - replace ${pom.groupId}    with ${project.groupId}
  - replace ${pom.artifactId} with ${project.artifactId}


git-svn-id: https://svn.apache.org/repos/asf/struts/struts1/trunk@1006077 13f79535-47bb-0310-9956-ffa450edef68