Use wx-prefixed macros throughout the repository.

Change {DECLARE,IMPLEMENT}_*CLASS and {DECLARE,BEGIN,END}_EVENT_TABLE
occurrences to use the wx-prefixed version of the macros.

include/wx/qt/combobox.h

@@ -86,7 +86,7 @@ private:
     // From wxTextEntry:
     virtual wxWindow *GetEditableWindow() wxOVERRIDE { return this; }
 
-    DECLARE_DYNAMIC_CLASS(wxComboBox)
+    wxDECLARE_DYNAMIC_CLASS(wxComboBox);
 };
 
 #endif // _WX_QT_COMBOBOX_H_