add "@nmsp" property

src/main/java/es/bsc/inb/elixir/elixibilitas/query/MongoQueries.java

@@ -227,6 +227,7 @@ public class MongoQueries {
 
                         Document _id = (Document) doc.remove("_id");
                         doc.append("@id", toolsDAO.getURI(_id));
+                        doc.append("@nmsp", toolsDAO.getNamespace(_id));
                         doc.append("@type", toolsDAO.getType(_id));
                         doc.append("@label", toolsDAO.getLabel(_id));
                         doc.append("@version", toolsDAO.getVersion(_id));
@@ -439,6 +440,7 @@ public class MongoQueries {
                             for (Document tool : tools) {
                                 Document _id = (Document) tool.remove("_id");
                                 tool.append("@id", toolsDAO.getURI(_id));
+                                tool.append("@nmsp", toolsDAO.getNamespace(_id));
                                 tool.append("@type", toolsDAO.getType(_id));
                                 tool.append("@label", toolsDAO.getLabel(_id));
                                 tool.append("@version", toolsDAO.getVersion(_id));