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/gtk/collpane.h

@@ -72,8 +72,8 @@ private:
     virtual void AddChildGTK(wxWindowGTK* child) wxOVERRIDE;
     GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const wxOVERRIDE;
 
-    DECLARE_DYNAMIC_CLASS(wxCollapsiblePane)
-    DECLARE_EVENT_TABLE()
+    wxDECLARE_DYNAMIC_CLASS(wxCollapsiblePane);
+    wxDECLARE_EVENT_TABLE();
 };
 
 #endif // _WX_COLLAPSABLE_PANEL_H_GTK_