Initial commit

Change-Id: I8a92e7eab51565fb604fc8149e0f510b004b52c7
Adding initial C++ and Python guidelines

Change-Id: Ifdddc6595e9910ec48abda7893284c927cfbc489
Final version of the draft for the proposed NDN-CCL API

Change-Id: Ib3586020c50d7649e1d9242f1802bb74b9781f19