Fix wrong display of Faust transpose and update API doc.

src/faust_linear_operator/CPU/faust_MatDense.h

src/faust_linear_operator/CPU/faust_MatDense.hpp

src/faust_linear_operator/CPU/faust_MatSparse.h

src/faust_linear_operator/CPU/faust_MatSparse.hpp

src/faust_linear_operator/CPU/faust_Transform.h

src/faust_linear_operator/CPU/faust_Transform.hpp

src/faust_linear_operator/CPU/faust_TransformHelper.hpp

src/faust_linear_operator/faust_MatGeneric.h

src/faust_linear_operator/faust_MatGeneric.hpp

wrapper/matlab/Faust.m

wrapper/python/FaustPy.py