put qtconsole forground when launching

IPython/frontend/qt/console/qtconsoleapp.py

@@ -334,6 +334,7 b' class IPythonQtConsoleApp(BaseIPythonApplication, IPythonConsoleApp):'
 
         # draw the window
         self.window.show()
+        self.window.raise_()
 
         # Start the application main loop.
         self.app.exec_()