[FELIX-4517] Fix service properties when using collections in blueprint

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1603091 13f79535-47bb-0310-9956-ffa450edef68
[FELIX-4517] Restore default for compatibility

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1603093 13f79535-47bb-0310-9956-ffa450edef68