Added function ecl_sum_report_step_equal() to check that the mapping report_step <-> sim_time is equal in two summary cases.
Added function ecl_sum_report_step_compatible() to check that existing report steps have the same report_step <-> sim_time mapping. Report steps entirely missing in case are ignored
Added function ecl_sum_report_step_compatible() to check that existing report steps have the same report_step <-> sim_time mapping. Report steps entirely missing in case are ignored
Merge branch 'ecl_sum_report_step_compare' of github.com:joakim-hove/ert into ecl_sum_report_step_compare
Update branch ecl_sum_report_step_compare to correctlt revert MSW updates
Fixed merg cruft
Merge pull request #123 from joakim-hove/ecl_sum_report_step_compare

Ecl sum report step compare