Minor fixes

See merge request !32

[utils] corrected an indentation error causing troubles during conversion between FrameContainers and numpy arrays

Improvements

See merge request !31

Update meta.yaml

See merge request !30

# Conflicts:
#   requirements.txt

Added missing indirect dependencies

Closes #9

See merge request !15

Replace the old pad iso metrics class with a script

See merge request !27

improve logging message of projection training

See merge request !26

Fixed the index.rst to match joint docs requirements

See merge request !29

Harmonizing algorithms from bob.pad.face and bob.pad.voice, fixes issue#16

See merge request !28