Update gitignore; Add missing C++ file

.gitignore

@@ -31,6 +31,8 @@
 # Binary dir
 bin/carla
 bin/carla.lv2/carla-bridge-*
+bin/carla-database
+bin/carla-settings
 bin/jack/
 bin/styles/
 build/

source/frontend/carla_settings_app.cpp

@@ -0,0 +1,60 @@
+/*
+ * Carla plugin database code
+ * Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * For a full copy of the GNU General Public License see the doc/GPL.txt file.
+ */
+
+#include "carla_database.hpp"
+
+//---------------------------------------------------------------------------------------------------------------------
+
+#include "carla_app.hpp"
+#include "carla_host.hpp"
+
+// --------------------------------------------------------------------------------------------------------------------
+// Main
+
+int main(int argc, char* argv[])
+{
+    // ----------------------------------------------------------------------------------------------------------------
+    // Read CLI args
+
+    const QString initName(handleInitialCommandLineArguments(argc, argv));
+
+    // ----------------------------------------------------------------------------------------------------------------
+    // App initialization
+
+    const CarlaApplication app("Carla2", argc, argv);
+
+    // ----------------------------------------------------------------------------------------------------------------
+    // Init host backend
+
+    CarlaHost& host = initHost(initName, false, false, true);
+    loadHostSettings(host);
+
+    // ----------------------------------------------------------------------------------------------------------------
+    // Create GUI
+
+    PluginRefreshW gui(nullptr, host);
+
+    // ----------------------------------------------------------------------------------------------------------------
+    // Show GUI
+
+    gui.show();
+
+    // ----------------------------------------------------------------------------------------------------------------
+    // App-Loop
+
+    return app.exec();
+}