Merge branch...

Merge branch '27-far-and-frr-thresholds-are-computed-even-when-there-is-no-data-support' of https://gitlab.idiap.ch/bob/bob.measure into 27-far-and-frr-thresholds-are-computed-even-when-there-is-no-data-support

Conflicts:
	bob/measure/test_error.py
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