Change 'AccelerationFactor' to 'ParallelAcquisitionTechnique' about convert_source HOT 3 CLOSED

N.B. SENSE is used primarily for Philips - and is currently found by a regex search of the filename and/or certain parts of the PAR header file. Currently unsure if this parameter is report in Philips DICOM header.

from convert_source.

Should also add feature that allows for one to specify scanner type - as GRAPPA is the general term.
Vendors have specific names for each of their own parallel acquisition/reconstruction techniques.

see reference for further details:
http://mriquestions.com/senseasset.html

from convert_source.

Added the functionality, but it is not accessible. The corresponding fields in the JSON sidecar have been added/updated. These changes will be reflected in the next major release.

from convert_source.