Reduce ties with Bob/C++

bob/io/base/__init__.py

bob/io/base/bobskin.cpp

bob/io/base/bobskin.h

bob/io/base/codec.cpp

bob/io/base/cpp/CSVFile.cpp

bob/io/base/cpp/CodecRegistry.cpp

bob/io/base/cpp/File.cpp

bob/io/base/cpp/HDF5ArrayFile.cpp

bob/io/base/cpp/HDF5Attribute.cpp

bob/io/base/cpp/HDF5Dataset.cpp

bob/io/base/cpp/HDF5File.cpp

bob/io/base/cpp/HDF5Group.cpp

bob/io/base/cpp/HDF5Types.cpp

bob/io/base/cpp/HDF5Utils.cpp

bob/io/base/cpp/T3File.cpp

bob/io/base/cpp/TensorArrayFile.cpp

bob/io/base/cpp/TensorFile.cpp

bob/io/base/cpp/TensorFile.h

bob/io/base/cpp/TensorFileHeader.cpp

bob/io/base/cpp/TensorFileHeader.h