MAINT: Renaming printer to include_scores from include_auxiliary_scores

[rlundeen2]

Ho ho ho! Merry Early Xmas @romanlutz

This change renames include_auxiliary_scores to include_scores for print_conversation

• print_result_async: No change. Objective score always included, auxiliary scores only includes with include_auxiliary_scores flag
• print_summary_async: No change. Always includes objective score, never auxiliary scores
• print_conversation_async: changed the arg name to include_scores which is more descriptive, and will include all scores if passed (otherwise none)

#1096 (comment)

[romanlutz]

Thanks, Santa! Errr @rlundeen2