Improve logging of IHE RAD-69 / WADO-WS Service

[gunterze]

Improve logging of IHE RAD-69 / WADO-WS Service:

16:38:42,770 INFO  [org.dcm4chee.arc.retrieve.xdsi.ImageDocumentSource] (default task-1) null@127.0.0.1->/dcm4chee-arc/xdsi/ImagingDocumentSource >> RetrieveImagingDocumentSetRequest:
   Study[uid=1.3.6.1.4.1.5962.1.2.4.20040826185059.5457]:
      Series[uid=1.3.6.1.4.1.5962.1.3.4.1.20040826185059.5457]:
         Document[uid=1.3.6.1.4.1.5962.1.1.4.1.4.20040826185059.5457]
   TransferSyntax[1.2.840.10008.1.2.1 - Explicit VR Little Endian]
16:38:43,210 INFO  [org.dcm4chee.arc.retrieve.xdsi.ImageDocumentSource] (default task-1) null@127.0.0.1->/dcm4chee-arc/xdsi/ImagingDocumentSource << RetrieveDocumentSetResponse[urn:oasis:names:tc:ebxml-regrep:ResponseStatusType:Success]:
   Document[uid=1.3.6.1.4.1.5962.1.1.4.1.4.20040826185059.5457, type=application/dicom]

16:42:35,464 INFO  [org.dcm4chee.arc.retrieve.xdsi.ImageDocumentSource] (default task-1) null@127.0.0.1->/dcm4chee-arc/xdsi/ImagingDocumentSource >> RetrieveRenderedImagingDocumentSetRequest:
   Study[uid=1.3.6.1.4.1.5962.1.2.4.20040826185059.5457]:
      Series[uid=1.3.6.1.4.1.5962.1.3.4.1.20040826185059.5457]:
         Document[uid=1.3.6.1.4.1.5962.1.1.4.1.4.20040826185059.5457, type=[image/jpeg]]
16:42:35,484 INFO  [org.dcm4chee.arc.retrieve.xdsi.ImageDocumentSource] (default task-1) null@127.0.0.1->/dcm4chee-arc/xdsi/ImagingDocumentSource << RetrieveRenderedImagingDocumentSetResponse[urn:oasis:names:tc:ebxml-regrep:ResponseStatusType:Success]:
   Document[uid=1.3.6.1.4.1.5962.1.1.4.1.4.20040826185059.5457, type=image/jpeg]]

Related #546, #1176