renamed:    rsc/scripts/percmask.sh -> rsc/scripts/thres4D.sh
 	renamed:    thres4D.sh -> thres_z.sh
 	new file:   rsc/scripts/fslmeants.sh
 	modified:   rsc/scripts/seg_mask.sh
 	modified:   rsc/scripts/fslmeants.sh
 	modified:   rsc/scripts/fslmeants.sh
 	modified:   rsc/scripts/split4D.sh