DolphinQt: initial commit.

This adds the beginning of the DolphinQt user interface. It doesn't
do anything useful yet and only builds via CMake.

Source/Core/DolphinQt/AboutDialog.h

@@ -0,0 +1,27 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QDialog>
+
+// Predefinitions
+namespace Ui {
+class DAboutDialog;
+}
+
+class DAboutDialog : public QDialog
+{
+	Q_OBJECT
+
+public:
+	explicit DAboutDialog(QWidget *p = 0);
+	~DAboutDialog();
+
+private slots:
+	void on_label_linkActivated(const QString &link);
+
+private:
+	Ui::DAboutDialog *ui;
+};