Fix header guard names; other macros

xbob/io/base/codec.cpp

xbob/io/base/file.cpp

xbob/io/base/hdf5.cpp

xbob/io/base/include/xbob.io.base/api.h

xbob/io/base/include/xbob.io.base/config.h

xbob/io/base/main.cpp

xbob/io/base/version.cpp

xbob/io/base/videoreader.cpp

xbob/io/base/videowriter.cpp