Update license headers and documents.

gen_doc/bin_pkgs/macosx/licenses.html

license.txt

src/algorithm/constraint/faust_ConstraintFPP.h

src/algorithm/constraint/faust_ConstraintFPP.hpp

src/algorithm/constraint/faust_ConstraintGeneric.cpp

src/algorithm/constraint/faust_ConstraintGeneric.h

src/algorithm/constraint/faust_ConstraintGeneric.hpp

src/algorithm/constraint/faust_ConstraintInt.h

src/algorithm/constraint/faust_ConstraintInt.hpp

src/algorithm/constraint/faust_ConstraintMat.h

src/algorithm/constraint/faust_ConstraintMat.hpp

src/algorithm/constraint/faust_ConstraintType.h

src/algorithm/factorization/faust_HierarchicalFact.h

src/algorithm/factorization/faust_HierarchicalFact.hpp

src/algorithm/factorization/faust_Palm4MSA.h

src/algorithm/factorization/faust_Palm4MSA.hpp

src/algorithm/factorization/faust_Params.h

src/algorithm/factorization/faust_Params.hpp

src/algorithm/factorization/faust_ParamsPalm.h

src/algorithm/factorization/faust_ParamsPalm.hpp