Use staged build


git-svn-id: https://svn.apache.org/repos/asf/aries/trunk@1551696 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release org.apache.aries.blueprint.core-1.4.0

git-svn-id: https://svn.apache.org/repos/asf/aries/trunk@1551697 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/aries/trunk@1551699 13f79535-47bb-0310-9956-ffa450edef68