Added build instructions for OS X.

Added a very simple demo to help build functionality bit by bit.
Regenerated the files that needed SWIGging.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12372 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/contrib/glcanvas/glcanvas.i

@@ -54,8 +54,10 @@ class wxGLCanvas;
 
 class wxGLContext : public wxObject {
 public:
+#ifndef __WXMAC__  //  fix this?
     wxGLContext(bool isRGB, wxGLCanvas *win,
                 const wxPalette& palette = wxNullPalette);
+#endif
     ~wxGLContext();
 
     void SetCurrent();