Print age via makeSpan() in slav summary

See merge request !6898

Minor grammar change

See merge request !6897

minorTweak - rulesAutoSurgery

See merge request !6891

Replace initNationalities passage with JS

See merge request !6896

Replace initNationalities passage with JS, and remove hardcoded nationality sets from it (use the vanilla presets instead).

Minor fixes

See merge request !6895

Fix slave professionalism inherited slave outfit

See merge request !6894

Improve robustness of art asset lookup

See merge request !6893

Improve robustness of art asset lookup...if an asset is not found, issue a console error and move on instead of crashing hard.

MinorFixes

See merge request !6892

saRules and TODO cleanup

See merge request !6889