extracted common initialization/cleanup functions in common/init.cpp; standardized wxEntry()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21518 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/app.h

@@ -58,11 +58,10 @@ public:
     bool SendIdleEvents();
     bool SendIdleEvents( wxWindow* win );
 
-    static bool Initialize();
-    static bool InitialzeVisual();
-    static void CleanUp();
+    virtual bool Initialize(int argc, wxChar **argv);
+    virtual void CleanUp();
 
-    void DeletePendingObjects();
+    static bool InitialzeVisual();
 
 #ifdef __WXDEBUG__
     virtual void OnAssert(const wxChar *file, int line, const wxChar *cond, const wxChar *msg);