[maven-release-plugin] prepare release activemq-cpp-pom-3.1.0-RC1

git-svn-id: https://svn.apache.org/repos/asf/activemq/activemq-cpp/branches/activemq-cpp-3.1.x@886818 13f79535-47bb-0310-9956-ffa450edef68
4 files changed