added properties needed for web service api

src/java/DmWebPortal/src/java/gov/anl/aps/dm/common/constants/DmProperty.java

@@ -5,6 +5,7 @@ package gov.anl.aps.dm.common.constants;
  */
 public class DmProperty {
 
-    public static final String WEB_SERVICE_URL_PROPERTY_NAME = "dm.webService.url";
-
+    public static final String DS_WEB_SERVICE_URL_PROPERTY_NAME = "dm.dsWebService.url";
+    public static final String SYSTEM_USER_PROPERTY_NAME = "dm.system.user";
+    public static final String SYSTEM_PASSWORD_FILE_PROPERTY_NAME = "dm.system.passwordFile";
 }