[DCMEEREQ-88 Identification of Devices in DICOM Webservices]

fixed storeto and loading issue for empty map, added default
revert schema changes to 3d5c38bd27163c1f1546e4ca219a9b5748a19398
added changes to schema without carriage returns
[#DCMEEREQ-88  Identification of Devices in DICOM WebServices ]