Upgrade to bundle-pom 10 and remove optional dependency flag


git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1487255 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release org.apache.servicemix.bundles.opensaml-2.4.1_2

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1487257 13f79535-47bb-0310-9956-ffa450edef68