v1.1.0

TARTES has been stable for a few years and deserves an officiel release. This version is used in G. Vérin, F. Domine, M. Babin, G. Picard, L. Arnaud, Metamorphism of Arctic marine snow during the melt season. Impact on spectral albedo and radiative fluxes through snow, The Cryosphere, doi: 10.5194/tc-2022-76, accepted, 2022.