just kill python instead of trying to shut it down gracefully, in tests

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9020 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix Jamfile typo

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9022 a83610d8-ad2a-0410-a6ab-fc0612d85776