ssp1-2.6 r1i1p1f1

ScenarioMIP ssp1-2.6 r1i1p1f1 at SMHI: t621; ssp1-2.6; r1i1p1f1; 2015-2100; trunk r6679; Tetralith; t613-2015; yes; ScenarioMIP/cmip6-experiment-ScenarioMIP-ssp126 + fixes