Updates; Preparation for C++ bindings

.gitmodules

buildout.cfg

setup.py

src/xbob.blitz

src/xbob.io

src/xbob.math

xbob/measure/__init__.py

xbob/measure/calibration.py

xbob/measure/load.py

xbob/measure/script/apply_threshold.py

xbob/measure/script/compute_perf.py

xbob/measure/script/eval_threshold.py

xbob/measure/script/plot_cmc.py

xbob/measure/script/recurse_results.py

xbob/measure/test/test_error.py

xbob/measure/test/test_scripts.py