Merge branch 'cleanup_numerical_parameters' into 'master'

advanced/algorithms/username/cepstral/1.json

advanced/algorithms/username/cropping_rgb/1.json

advanced/algorithms/username/dct/1.json

advanced/algorithms/username/energy/1.json

advanced/algorithms/username/gmm/1.json

advanced/algorithms/username/gmm_seed/1.json

advanced/algorithms/username/isv/1.json

advanced/algorithms/username/isv_enroll/1.json

advanced/algorithms/username/lbphs_features/1.json

advanced/algorithms/username/mlp_training/1.json

advanced/algorithms/username/pca/1.json

advanced/algorithms/username/pca_lda/1.json

advanced/algorithms/username/tantriggs/1.json

system/libraries/plot_username/baselib/1.rst

system/plotters/plot_username/isoroc/1.json

system/plotters/plot_username/isoroc/2.json

system/plotters/plot_username/scatter/1.json

test/algorithms/username/integers_add/1.json

test/algorithms/username/integers_echo_sleep/1.json