Get rid of the qualifyTiddlerTitles hack

Now, finally, we can implement qualifyTiddlerTitles as a macro.

core/modules/macros/qualify.js

@@ -0,0 +1,32 @@
+/*\
+title: $:/core/modules/macros/qualify.js
+type: application/javascript
+module-type: macro
+
+Macro to qualify a state tiddler title according
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Information about this macro
+*/
+
+exports.name = "qualify";
+
+exports.params = [
+	{name: "title"}
+];
+
+/*
+Run the macro
+*/
+exports.run = function(title) {
+	return title + "-" + this.getStateQualifier();
+};
+
+})();