removed fair-trade from feature list and added automatic upload slot mechanism
removed fair-trade from feature list and added automatic upload slot mechanism

git-svn-id: c39a6fcb73c71bf990fd9353909696546eb40440@3819 a83610d8-ad2a-0410-a6ab-fc0612d85776

mirror/libtorrent,john-peterson/libtorrent-old,mirror/libtorrent,john-peterson/libtorrent-old,john-peterson/libtorrent-old,mirror/libtorrent,mirror/libtorrent,mirror/libtorrent,mirror/libtorrent,john-peterson/libtorrent-old,john-peterson/libtorrent-old,john-peterson/libtorrent-old