Merge branch 'notebook-add-page-events'

Harmonize events sent by wxNotebook::AddPage(): they are now sent only
when adding any page except the first one if it is selected in all
ports.

See https://github.com/wxWidgets/wxWidgets/pull/1192

include/wx/qt/notebook.h

@@ -42,8 +42,8 @@ public:
 
     virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const;
 
-    int SetSelection(size_t nPage) { return DoSetSelection(nPage, SetSelection_SendEvent); }
-    int ChangeSelection(size_t nPage) { return DoSetSelection(nPage); }
+    int SetSelection(size_t nPage);
+    int ChangeSelection(size_t nPage);
 
     virtual bool DeleteAllPages() wxOVERRIDE;
 
@@ -51,7 +51,6 @@ public:
 
 protected:
     virtual wxWindow *DoRemovePage(size_t page);
-    int DoSetSelection(size_t nPage, int flags = 0);
 
 private:
     QTabWidget *m_qtTabWidget;