- fixed up a few areas that were expecting moduleSettings.markers to be non-nil; this isn't the case on user-created custom bars that existed prior to the marker code coming in

- hide the marker settings on the GCD module as they don't make much sense to have there

modules/GlobalCoolDown.lua

@@ -83,6 +83,7 @@ function GlobalCoolDown.prototype:GetDefaultSettings()
 	settings["lowThreshold"] = 0
 	settings["barVisible"]["bg"] = false
 	settings["usesDogTagStrings"] = false
+	settings["bHideMarkerSettings"] = true
 
 	return settings
 end