[#LIB-206  Migrate Jpg2Dcm tool from dcm4che2 ]

Note:
in case of mpeg and mp4 files the mpeg2dcm.xml file is used to fill
attributes, possible differences between supplied attributes (match the
sample.mpeg in the etc dir) and the new file attributes should be
manually changed by the user.
[#LIB-205 Create StowRS Client Tool ]

Tested with jpeg, mpeg and pdf as bulk data, JSON and XML as metadata,
Attribute coercion from command line parameters.
Tested with multiple dicom files per request.
Only one bulk data file for 1 metadata file is possible.
[#LIB-205 Create StowRS Client Tool]

Correct log message