Revamp the aboutQet dialog with Qt designer and add a new tab "libraries"

sources/ui/aboutqetdialog.h

@@ -0,0 +1,52 @@
+/*
+	Copyright 2006-2019 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech 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
+	(at your option) any later version.
+
+	QElectroTech 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.
+
+	You should have received a copy of the GNU General Public License
+	along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef ABOUTQETDIALOG_H
+#define ABOUTQETDIALOG_H
+
+#include <QDialog>
+
+class QLabel;
+
+namespace Ui {
+	class AboutQETDialog;
+}
+
+class AboutQETDialog : public QDialog
+{
+	Q_OBJECT
+
+	public:
+		explicit AboutQETDialog(QWidget *parent = nullptr);
+		~AboutQETDialog();
+
+	private:
+		void setAbout();
+		void setAuthors();
+		void setTranslators();
+		void setContributors();
+		void setVersion();
+		void setLibraries();
+		void setLicence();
+		void addAuthor(QLabel *label, const QString &name, const QString &email, const QString &work);
+		void addLibrary(QLabel *label, const QString &name, const QString &link);
+
+	private:
+		Ui::AboutQETDialog *ui;
+};
+
+#endif // ABOUTQETDIALOG_H