Data classes and services for number series and seasons. Fixed release

build.

shop/shop.cpp

@@ -31,3 +31,13 @@ QTranslator *Shop::translator()
 {
     return translatorFrom(":/translations/shop_");
 }
+
+bool Shop::hasNumberSeries()
+{
+    return true;
+}
+
+QString Shop::numberSeriesPrefix()
+{
+    return "PD";
+}

shop/shop.h

@@ -24,6 +24,8 @@ public:
     virtual QIcon pluginIcon();
     virtual QWidget *ui() override;
     QTranslator *translator();
+    bool hasNumberSeries();
+    QString numberSeriesPrefix();
 };
 
 #endif // SHOP_H