ENH: update bspline regi.
Merge branch 'RPCA_BRATS' of github.com:XiaoxiaoLiu/TubeTK into RPCA_BRATS
Merge branch 'RPCA_BRATS' of github.com:XiaoxiaoLiu/TubeTK into RPCA_BRATS
ENH: syn.
Merge branch 'RPCA_BRATS' of github.com:XiaoxiaoLiu/TubeTK into RPCA_BRATS
ENH: final scripts.