1. Fix: MTOMCAT-274 (updated maven-war-plugin version).
2. Fix: access_log.* files excluded from apache-rat-plugin configuration. These are generated during Tomcat run and should not be checked.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/branches/tc8.x@1618789 13f79535-47bb-0310-9956-ffa450edef68
Fix: MTOMCAT-234

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/branches/tc8.x@1618790 13f79535-47bb-0310-9956-ffa450edef68
force war plugin version 2.4

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/branches/tc8.x@1618791 13f79535-47bb-0310-9956-ffa450edef68