Spectractor v2.3
Major improvements for Spectractor new version 2.3
- decouple fits of diffraction order 1 and diffraction order 2
- remove dependency of pysynphot and use getCalspec
- gather the Spectractor outputs into one single FITS file
- fix lambda_ref to 550nm
- debug and adapt the software for AuxTel
- new order 2/1 ratio and throughput for AuxTel
- repair nosetests and doctests and coverage tests
- repair documentation