WIP: use 7 priors from wm gm and csf

Now, we use 9 features.
t1, t2, and 7 priors:

GM -> BASAL(1), Crbl GM(2), Hippocampus(6), Surf GM(11)
WM -> WM(14), Crbl WM(13)
CSF -> CSF(4)
WIP: write the normalization filter