Set sharpness level of MACE initialization (qGGMRF recon) to be the same as MACE sharpness.
Created by: dyang37
Currently the initial qGGMRF recon always use the default sharpness level (sharpness=0) regardless of the input sharpness value. We want to change that s.t. the initial qGGMRF recon takes on the same sharpness level as the input sharpness to mace3D() function.