changed socket stream inheritance to virtual
removed a few more warnings from the samples
corrected thread habdling in configure.in
removed dancing sliders from scrollbars
corrected notebook send event bug and added it
the controls sample
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@729 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
