moved all wxDialog event handlers to wxDialogBase to avoid code duplication

(sixplication?) among ports; as a side effect added public wxDialog methods to
wxDialogBase as well and moved EndDialog() (previously implemented by wxMSW,
wxMotif, wxMac and wxCocoa but not the other ports) to wxDialogBase too


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40687 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/palmos/dialog.h

@@ -63,15 +63,6 @@ public:
 
     virtual void Raise();
 
-    // event handlers
-    void OnCharHook(wxKeyEvent& event);
-    void OnCloseWindow(wxCloseEvent& event);
-
-    // Standard buttons
-    void OnOK(wxCommandEvent& event);
-    void OnApply(wxCommandEvent& event);
-    void OnCancel(wxCommandEvent& event);
-
 protected:
     // find the window to use as parent for this dialog if none has been
     // specified explicitly by the user