Rename Slave to Host

The role of a slave as a host for Factorio servers is not well reflected
in its name and has caused confusion among users.  Rename slave to host
to better reflect its role as a host of Factorio servers.

packages/host/lua/export/data-final-fixes.lua

@@ -0,0 +1,8 @@
+local clusterio_api = require("clusterio_api")
+
+log("Exporting prototypes")
+for group, prototypes in pairs(data.raw) do
+	for name, prototype in pairs(prototypes) do
+		clusterio_api.send_json("prototype_export", prototype)
+	end
+end