dwipreproc: Run and export eddyqc
dwipreproc: Run and export eddyqc

If -eddyqc_text or -eddyqc_all options are specificed, additionally check for the presence of script 'eddy_quad' in the PATH, and if it is installed, execute it and export the resulting directory to the path specified by the user.

MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3