Merge branch 'small-refactor' into 'pregmod-master'

src/interaction/main/mainLinks.js

src/js/assayJS.js

src/js/datatypeCleanupJS.js

src/js/economyJS.js

src/js/pregJS.js

src/js/slaveGenerationJS.js

src/js/slaveStatsChecker.js

src/js/storyJS.js

src/societies/aztec/slaveSacrifice.tw

src/uncategorized/slaveInteract.tw