Added Prepend() and Remove() methods to wxSizer,

Corrected a stupid bug in it,
  Freshed up wxPropertyXXX to make use of the icons
  in the dialogs.
  Made wxBmpButton inherit from wxButton. Grumble.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3394 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/app.cpp

@@ -587,8 +587,6 @@ bool wxApp::Initialize()
     wxInitializeResourceSystem();
 #endif
 
-    wxImage::InitStandardHandlers();
-
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules()) return FALSE;
 
@@ -622,8 +620,6 @@ void wxApp::CleanUp()
 
     wxDeleteStockLists();
 
-    wxImage::CleanUpHandlers();
-
     delete wxTheApp;
     wxTheApp = (wxApp*) NULL;