In evaluate.py, there is no way of using both 4- and 5-column score files

Since bob.measure allows to automatically predict the score file format, we should use this property, instead of requiring the user to specify the format on command line.

created branch 86-in-evaluate-py-there-is-no-way-of-using-both-4-and-5-column-score-files

mentioned in merge request !90 (merged)

closed via commit 4f1ae620