[#LIB-192] Provide JSONReader to read Data Set from JSON presentation
[#LIB-193] provide utility json2dcm to convert JSON to DICOM file
[#LIB-193] provide utility json2dcm to convert JSON to DICOM file
[#LIB-193] provide utility json2dcm to convert JSON to DICOM file
[#LIB-194] provide javascript module

module was tested