Rename ParamsHierarchicalFact* structures to ParamsHierarchical* everywhere.

gen_doc/CMakeLists.txt

gen_doc/Faust_factorization.html

gen_doc/Faust_factorization.ipynb

misc/test/src/Matlab/FaustFactoryTest.m

misc/test/src/Python/benchmark_FGFT_pyfaust.py

misc/test/src/Python/benchmark_Lap_diag.py

misc/test/src/Python/test_FaustPy.py

wrapper/matlab/+matfaust/+fact/fgft_palm.m

wrapper/matlab/+matfaust/+fact/hierarchical.m

wrapper/matlab/+matfaust/+fact/hierarchical_constends.m

...tfaust/+factparams/@ParamsFactFactory/ParamsFactFactory.m

...aust/+factparams/@ParamsHierarchical/ParamsHierarchical.m

...ms/@ParamsHierarchicalRectMat/ParamsHierarchicalRectMat.m

...ParamsHierarchicalSquareMat/ParamsHierarchicalSquareMat.m

wrapper/python/pyfaust/demo.py

wrapper/python/pyfaust/fact.py

wrapper/python/pyfaust/factparams.py