icon added, about dialog added, translation updated

AboutDialog.cpp

@@ -0,0 +1,40 @@
+/*****************************************************************************
+* gta5sync GRAND THEFT AUTO V SYNC
+* Copyright (C) 2016 Syping
+*
+* 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 3 of the License, or
+* (at your option) 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*****************************************************************************/
+
+#include "AboutDialog.h"
+#include "ui_AboutDialog.h"
+
+AboutDialog::AboutDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::AboutDialog)
+{
+    ui->setupUi(this);
+    this->setWindowIcon(QIcon(":/img/5sync.png"));
+    aboutStr = ui->labAbout->text();
+    ui->labAbout->setText(aboutStr.arg(qApp->applicationVersion(), QT_VERSION_STR, qVersion()));
+}
+
+AboutDialog::~AboutDialog()
+{
+    delete ui;
+}
+
+void AboutDialog::on_cmdClose_clicked()
+{
+    this->close();
+}