Update brainsuite.py
Update brainsuite.py

Added description and doctests
sgiavasis/nipype,FCP-INDI/nipype,carolFrohlich/nipype,carolFrohlich/nipype,mick-d/nipype,carolFrohlich/nipype,FCP-INDI/nipype,mick-d/nipype,mick-d/nipype,carolFrohlich/nipype,mick-d/nipype,FCP-INDI/nipype,sgiavasis/nipype,FCP-INDI/nipype,sgiavasis/nipype,sgiavasis/nipype