[maven-release-plugin] prepare release redback-2.2

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-core/trunk@1558683 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-core/trunk@1558685 13f79535-47bb-0310-9956-ffa450edef68