more template literals

src/js/economyJS.js

src/js/familyTreeJS.js

src/js/foreachMacroJS.js

src/js/futureSocietyJS.js

src/js/hTagMacroJS.js

src/js/optionsMacro.js

src/js/rulesAssistantOptions.js

src/js/slaveGenerationJS.js

src/js/spanMacroJS.js