Show Patreon patrons in the about dialog

gui/dialogs/AboutDialog.h

@@ -17,6 +17,8 @@
 
 #include <QDialog>
 
+#include <logic/net/ByteArrayDownload.h>
+
 namespace Ui
 {
 class AboutDialog;
@@ -30,6 +32,16 @@ public:
 	explicit AboutDialog(QWidget *parent = 0);
 	~AboutDialog();
 
+public
+slots:
+	/// Starts loading a list of Patreon patrons.
+	void loadPatronList();
+	
+	/// Slot for when the patron list loads successfully.
+	void patronListLoaded();
+
 private:
 	Ui::AboutDialog *ui;
+
+	ByteArrayDownloadPtr patronListDownload;
 };