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* ENH: Refactored code (diffusion pipeline) to support current Nipype release
* ENH: Adoption of Brain Imaging Data Structure (BIDS) for input and derivatives data
* ENH: Added Mrtrix3 preprocessing (dwidenoise, dwibiascorrec), reconstruction (dwi2response, tensor2metrics, dwi2fod), tracking (tckgen)
* ENH: Added option '-fsl_grad' to Mrtrix mrconvert interface