Making more things translateable

Now we’re done with the text that lives in tiddlers, and we’ll need to
get on with the text that is embedded in code modules.

core/modules/savers/manualdownload.js

@@ -13,7 +13,7 @@ Handles saving changes via HTML5's download APIs
 "use strict";
 
 // Title of the tiddler containing the download message
-var downloadInstructionsTitle = "$:/messages/Download"
+var downloadInstructionsTitle = "$:/language/Modals/Download";
 
 /*
 Select the appropriate saver module and set it up

core/modules/savers/upload.js

@@ -65,7 +65,7 @@ UploadSaver.prototype.save = function(text,method,callback) {
 		}
 	};
 	http.send(data);
-	$tw.notifier.display("$:/messages/StartingSave");
+	$tw.notifier.display("$:/language/Notifications/Save/Starting");
 	return true;
 };