Merge wxQT branch into the trunk.

This merges in the latest sources from GSoC 2014 wxQt project with just a few
minor corrections, mostly undoing wrong changes to common files in that branch
(results of a previous bad merge?) and getting rid of whitespace-only changes.
Also remove debug logging from wxGrid.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77455 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/qt/button.h

@@ -0,0 +1,39 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/qt/button.h
+// Author:      Peter Most, Mariano Reingart
+// Copyright:   (c) 2010 wxWidgets dev team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_QT_BUTTON_H_
+#define _WX_QT_BUTTON_H_
+
+#include "wx/control.h"
+#include "wx/button.h"
+
+class WXDLLIMPEXP_CORE wxButton : public wxButtonBase
+{
+public:
+    wxButton();
+    wxButton(wxWindow *parent, wxWindowID id,
+           const wxString& label = wxEmptyString,
+           const wxPoint& pos = wxDefaultPosition,
+           const wxSize& size = wxDefaultSize, long style = 0,
+           const wxValidator& validator = wxDefaultValidator,
+           const wxString& name = wxButtonNameStr);
+
+    bool Create(wxWindow *parent, wxWindowID id,
+           const wxString& label = wxEmptyString,
+           const wxPoint& pos = wxDefaultPosition,
+           const wxSize& size = wxDefaultSize, long style = 0,
+           const wxValidator& validator = wxDefaultValidator,
+           const wxString& name = wxButtonNameStr);
+
+   virtual wxWindow *SetDefault();
+
+private:
+    wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxButton);
+};
+
+
+#endif // _WX_QT_BUTTON_H_