add hide menu action

netsoul/mainwindow.cpp

 	m_tray->show();
 	QMenu* menu = new QMenu("Epimafia NetSoul", this);
 	connect(menu->addAction("Show"), SIGNAL(triggered()), this, SLOT(showAndRaise()));
+	menu->addAction(ui->actionHide);
 	menu->addSeparator();
 	menu->addAction(ui->actionConnect);
 	menu->addAction(ui->actionDisconnect);
 	connect(ui->contactsWidget, SIGNAL(chatRequested(NetSoul::Users)), m_chatMgr, SLOT(chat(NetSoul::Users)));
 	connect(ui->actionConnect, SIGNAL(triggered()), ui->loginWidget, SLOT(login()));
 	connect(ui->actionDisconnect, SIGNAL(triggered()), m_netsoul, SLOT(logout()));
+	connect(ui->actionHide, SIGNAL(triggered()), this, SLOT(hide()));
 	connect(ui->actionQuit, SIGNAL(triggered()), qApp, SLOT(quit()));
 	connect(ui->actionOptions, SIGNAL(triggered()), this, SLOT(options()));
 	connect(ui->actionAddContact, SIGNAL(triggered()), this, SLOT(addContact()));

netsoul/mainwindow.ui

     <addaction name="actionConnect"/>
     <addaction name="actionDisconnect"/>
     <addaction name="separator"/>
+    <addaction name="actionHide"/>
+    <addaction name="separator"/>
     <addaction name="actionQuit"/>
    </widget>
    <widget class="QMenu" name="menuOptions">
     <string>Ctrl+Q</string>
    </property>
   </action>
+  <action name="actionHide">
+   <property name="text">
+    <string>Hide</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+W</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>