Admin - Dataloader updates

-Npc Lib added
-Admin Dataloader updated to load NPC names into a cached array.
-Spinner Updated to a loading button.

tools/installer.js

@@ -31,6 +31,7 @@ function performInstall(url) {
 	// On completed
 	ajaxRequest.done(function(data) {
 		$('#spinner').hide();
+		$('#reload_button').show();
 	});
 	// On failed
 	ajaxRequest.fail(function(error){