Fix duplicate paragraph in concubine interview

See merge request pregmodfan/fc-pregmod!8438

Add display of cost of last transaction to sidebar

See merge request pregmodfan/fc-pregmod!8437

Give long_age immortality and NCS periods to match the rest of summary card

See merge request pregmodfan/fc-pregmod!8434

Convert FSChangeDecoration to JS

See merge request pregmodfan/fc-pregmod!8435

This reverts commit 3d913638

Slave feeding to js

See merge request pregmodfan/fc-pregmod!8432

Fix undermining for schools

Closes #2587

See merge request pregmodfan/fc-pregmod!8433

Slave on slave feeding

See merge request pregmodfan/fc-pregmod!8431