See https://reuse.software/ for a description.

Improve the quadrature rule test by "using std::abs" and "using std::pow" and wrapping numbers in ctype
Disable GaussJacobi_n_0 test in case LAPACK is not found

- mac script for 1d rules adopted to new file structure
- Explicit template instantiation for quadrature rules

matched the quad order in the maxima scripts to the definitions in quadraturerules.hh, final cleanup, tested everything