Added wxEvtHandler::Disconect()

Added wxToolBar::DeleteTool()
  Removed the WXWIN_COMP... defines from the common setup.h
  Some tests,


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4615 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/tbargtk.h

@@ -83,8 +83,13 @@ public:
     // Add space
     virtual void AddSeparator();
     
+    // Delete tool by index (=id)
+    virtual bool DeleteTool(int toolIndex);
+
+    // Delete all tools
     virtual void ClearTools();
     
+    // Has to be called after adding tools or changing something
     virtual bool Realize();
 
     virtual void EnableTool(int toolIndex, bool enable);