Change the job id array type to dictionary of string to set of number.
Use IDs in the listings and kill index-based functions in the facility
classes.

The classes are used only to set up data scheme, thus they need no JS
implementation.

JS saServeYourOtherSlaves

See merge request pregmodfan/fc-pregmod!6820

set RA defaults for gag and mask

See merge request pregmodfan/fc-pregmod!6819

Allow RA to remove gag and mask

See merge request pregmodfan/fc-pregmod!6818

stray slaves[$i]s

Closes #1798

See merge request pregmodfan/fc-pregmod!6817

merge SC2 eye color selection in single JS function

See merge request !6815

fix ethnicity instead of nationality

Closes #1797

See merge request !6814

delete unnecessary files from devTools/sugarcube stuff/

Closes #1796

See merge request !6813

Cleanup README

Closes #1769

See merge request !6809

JSify Ass Fitting Event and fix VCheck in previous events

See merge request pregmodfan/fc-pregmod!6807

Swan Song update

See merge request !6812