test_natpmp is not a unit test

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9418 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix test_ssl for trunk

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9419 a83610d8-ad2a-0410-a6ab-fc0612d85776
test tweaks

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9423 a83610d8-ad2a-0410-a6ab-fc0612d85776
make test_ssl build without openssl (and also not do anything)

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@9424 a83610d8-ad2a-0410-a6ab-fc0612d85776