making multi-year mode work

results_by_site_series
pairings_by_site_series
pairings_by_site_series_all
results_by_site_series

to use less memory

adding new json config param 'NAMEFileDateRegexp', which allows the epi Loader to work with daily production and epi - fit NAME data
restoring accidentally deleted reference to the config dict used by processor_base - allowing access of the config after a run by epi fit
swapping the epi fit gitlab-ci task to use the new fit_lb584

making the running of epi plotting dependant on whether config had been provided. Modifying tests to stop using epi outputs which are no longer included