DEV: adding the nurbs control points test framework
OPT: NURBS control points
OPT: Nurbs control pts data
OPT: Nurbs control points
fixing git misleading
new msct_smooth & straighten
OPT: sct__straightenspinalcord now includes smooth fitting method, dev/ctrpt improved
TEST: straighten smooth
OPT: smooth fitting method added to sct_straighten_spinalcord
OPT: smooth fitting method added to sct_straighten_spinalcord
TEST: merging master
OPT: mean_squared_error function added in msct_smooth
OPT: mean_squared_error function added in msct_smooth
Merge branch 'master' into augustin