Card Database converter (#3694)

* Database converter

* Fix win compilation and NSIS installer

* Maybe fix windows again

* Re-fix windows

dbconverter/src/mocks.h

@@ -0,0 +1,50 @@
+/*
+ * Beware of this preprocessor hack used to redefine the settingCache class
+ * instead of including it and all of its dependencies.
+ */
+
+#include <QObject>
+#include <QString>
+
+#define SETTINGSCACHE_H
+#define PICTURELOADER_H
+
+#include "../../cockatrice/src/carddatabase.h"
+
+class CardDatabaseSettings
+{
+public:
+    void setSortKey(QString shortName, unsigned int sortKey);
+    void setEnabled(QString shortName, bool enabled);
+    void setIsKnown(QString shortName, bool isknown);
+
+    unsigned int getSortKey(QString shortName);
+    bool isEnabled(QString shortName);
+    bool isKnown(QString shortName);
+};
+
+class SettingsCache : public QObject
+{
+    Q_OBJECT
+private:
+    CardDatabaseSettings *cardDatabaseSettings;
+
+public:
+    SettingsCache();
+    ~SettingsCache();
+    QString getCustomCardDatabasePath() const;
+    QString getCardDatabasePath() const;
+    QString getTokenDatabasePath() const;
+    QString getSpoilerCardDatabasePath() const;
+    CardDatabaseSettings &cardDatabase() const;
+signals:
+    void cardDatabasePathChanged();
+};
+
+extern SettingsCache *settingsCache;
+
+class PictureLoader
+{
+public:
+    static void clearPixmapCache(CardInfoPtr card);
+};