Added ConvertToMonoBitmap() to wxImage. Minor changes to forty. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5359 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5300 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775