Move score normalization from bob.learn.em to bob.bio.base
Shall we move these functionalities from bob.learn.em
to bob.bio.base
??
These functionalities are in bob.learn.em
for historical reasons.
http://pythonhosted.org/bob.learn.em/py_api.html#bob.learn.em.znorm
http://pythonhosted.org/bob.learn.em/py_api.html#bob.learn.em.tnorm
http://pythonhosted.org/bob.learn.em/py_api.html#bob.learn.em.ztnorm