Add sea_surface_temperature_forcing to the simulation configuration section and modify prepare_experiment.sh to copy it to the experiment data folder.

Modify prepare_member.sh for event-generator to pick only the corresponding member first guess and analysis.

add an entry to load general packages from the module system at the very beginning of jobs, e.g. to load git

Including an icon.load_cmd for the cases where the build command includes a hash that can't be used for load. Defaults to the value of icon.build_cmd