prepare content for release

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1575042 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release apache-14

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1575043 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1575045 13f79535-47bb-0310-9956-ffa450edef68
updated plugins

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1575724 13f79535-47bb-0310-9956-ffa450edef68
simplified site publication configuration

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1575725 13f79535-47bb-0310-9956-ffa450edef68
use released ASF parent 14

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1576206 13f79535-47bb-0310-9956-ffa450edef68