Wizard: Use Qt5-style connects

Change-Id: Ibe5d1543e99644ff2c07146b9a83d9fe5b4121e1
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

share/qtcreator/templates/wizards/qtcreatorplugin/myplugin.cpp

@@ -43,7 +43,7 @@ bool %PluginName%Plugin::initialize(const QStringList &arguments, QString *error
     Core::Command *cmd = Core::ActionManager::registerAction(action, Constants::ACTION_ID,
                          Core::Context(Core::Constants::C_GLOBAL));
     cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+Alt+Meta+A")));
-    connect(action, SIGNAL(triggered()), this, SLOT(triggerAction()));
+    connect(action, &QAction::triggered, this, &%PluginName%Plugin::triggerAction);
 
     Core::ActionContainer *menu = Core::ActionManager::createMenu(Constants::MENU_ID);
     menu->menu()->setTitle(tr("%PluginName%"));

share/qtcreator/templates/wizards/qtcreatorplugin/myplugin.h

@@ -20,7 +20,7 @@ public:
     void extensionsInitialized();
     ShutdownFlag aboutToShutdown();
 
-private slots:
+private:
     void triggerAction();
 };