fix some msvc warnings

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@9949 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
if issue with large UDP packets on windows

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@9950 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
improve CMakeLists.txt

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@9951 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
update CMakeLists.txt and fix typo in Changelog

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@9952 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda
remove some old unmaintained example code. make examples depend less on libtorrent internals

git-svn-id: http://libtorrent.googlecode.com/svn/trunk@9953 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda