support for fluxes.m not containing either of csflux or asflux. also remove envelope calculation for csflux for runs.m It's not needed any more and throws errors is csfluxes hasn't been used yet
support for fluxes.m not containing either of csflux or asflux. also remove envelope calculation for csflux for runs.m It's not needed any more and throws errors is csfluxes hasn't been used yet

dcherian/eddyshelf,dcherian/eddyshelf,dcherian/eddyshelf