Updates to memcheck

Corrected and beautified memory (output)
  Fixed a few memory leaks
  Fixed resizing in in wxRadioBox
  Added many wxFAIL and wxASSERT
  Corrected other wxFAIL (removed from ..::Ok())
  Added wxBrush::Set..() functions
  Added CopyOnWrite support in GDI objects (Unshare)
  Disabled all occurences of WXDEBUG_NEW
  made clean, recompiled with mem_chcking on


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@728 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/memcheck/memcheck.cpp

@@ -35,8 +35,6 @@
 #error You must set WXDEBUG to 1 on the 'make' command line (MSW) or with configure (GTK)
 #endif
 
-// #define new WXDEBUG_NEW
-
 // Define a new application type
 class MyApp: public wxApp
 { public:
@@ -85,10 +83,9 @@ bool MyApp::OnInit(void)
   wxDebugContext::SetCheckpoint();
   wxDebugContext::SetFile("debug.log");
 
-  wxString *thing = new wxString; // WXDEBUG_NEW wxString;
+  wxString *thing = new wxString;
   wxDate* date = new wxDate;
 
-  // Proves that defining 'new' to be 'WXDEBUG_NEW' doesn't mess up
   // non-object allocation
   char *ordinaryNonObject = new char[1000];