moved pptn and proxy stuff to optional. The article is already too long, i suggest splitting all proxy/vpn related into a new page [(diff)][1] [1]: https://trac.torproject.org/projects/tor/wiki/doc/TorBOX?action=diff&version=146 URL: https://trac.torproject.org/projects/tor/wiki/doc/TorBOX?version=146