Added code to update the iterated case format from gui.
ERT-453: Changed function creating step list to consider model_config_get_last_history_restart() iff the time_map is empty, i.e. no summary.
Pure white space change.
ERT-453: Added function model_config_runpath_requiers_iter() which checks the number of %d specifiers in runpath format.
ERT-453: Changed functionality for manual loading of results to user iteration number. Added new workflow job: LOAD_RESULTS_ITER which takes iteration number as argument.
ERT-453: Updated test to include iter in arg_pack.
Merge pull request #366 from joakim-hove/ERT-453-gert-seismic-only-error

Ert 453 gert seismic only error