Removed zoo facility

devNotes/twine JS.txt

slave variables documentation - Pregmod.txt

src/facilities/farmyard/farmyard.tw

src/facilities/zoo/zoo.tw

src/facilities/zoo/zooReport.tw

src/facilities/zoo/zookeeperSelect.tw

src/facilities/zoo/zookeeperSelectWorkaround.tw

src/gui/Encyclopedia/encyclopedia.tw

src/gui/Encyclopedia/encyclopediaWidgets.tw

src/init/dummy.tw

src/init/setupVars.tw

src/init/storyInit.tw

src/js/DefaultRules.tw

src/js/assayJS.tw

src/js/assignJS.tw

src/js/datatypeCleanupJS.tw

src/js/economyJS.tw

src/js/rulesAssistant.tw

src/js/rulesAssistantOptions.tw

src/js/slaveCostJS.tw