Removed dependency on bob by adding C++ Library to this package.

bob/learn/activation/__init__.py

bob/learn/activation/activation.cpp

bob/learn/activation/cpp/ActivationRegistry.cpp

bob/learn/activation/identity.cpp

...earn/activation/include/bob.learn.activation/Activation.h

bob/learn/activation/include/bob.learn.activation/api.h

bob/learn/activation/linear.cpp

bob/learn/activation/logistic.cpp

bob/learn/activation/mult_tanh.cpp

bob/learn/activation/tanh.cpp

bob/learn/activation/version.cpp

buildout.cfg

setup.py