Added data version changer, and minor QA page change

changedataversion.js

@@ -0,0 +1,30 @@
+const utils = require('./utils.js');
+const dataFile = "public/data.json";
+
+var p = GetParams();
+if (p.length <= 0) {
+	console.log("no params!");
+	process.exit(0);
+}
+
+
+var param = p.join(" ");
+
+console.log("param: " + param);
+
+var d = utils.ReadFile(dataFile);
+var parsed = JSON.parse(d);
+
+console.log("Old version:");
+console.log(parsed.version);
+
+parsed.version = param;
+
+console.log("New version:");
+console.log(parsed.version);
+
+utils.WriteFile(JSON.stringify(parsed), dataFile);
+
+function GetParams() {
+	return process.argv.splice(2);
+}