Fix inefficient and redundant Map lookups and iterations

git-svn-id: https://svn.apache.org/repos/asf/cxf/dosgi/trunk@1487445 13f79535-47bb-0310-9956-ffa450edef68
Fix RemoteServiceAdmin.exportService() return value handling

git-svn-id: https://svn.apache.org/repos/asf/cxf/dosgi/trunk@1487446 13f79535-47bb-0310-9956-ffa450edef68