First step towards getting a working convolutional NN.
Changed the uppercase 'NN' to 'DIB' to reflect the new, public name of the
Changed the name of the activation function to reflect the common term
Adding some missing documentation.
Added some annotations to make test routines more user-friendly.
Interesting new take on the "class borders" idea...
Added GPL v3.0 text.
Forgot to remove copyright notieces...