added a note about reporting plugins configuration required for Maven 2

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1631058 13f79535-47bb-0310-9956-ffa450edef68
removed configuration now inherited from parent

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1631061 13f79535-47bb-0310-9956-ffa450edef68
updated findbugs-maven-plugin and extra-enforcer-rules

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1631063 13f79535-47bb-0310-9956-ffa450edef68
configured m-checkstyle-p with workaround to avoid checking generated content

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1631068 13f79535-47bb-0310-9956-ffa450edef68