use the session-wide hostname resolver in torrent.cpp

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10360 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix build with deprecated functions disabled

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10361 a83610d8-ad2a-0410-a6ab-fc0612d85776
regenerate html

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10362 a83610d8-ad2a-0410-a6ab-fc0612d85776
fixed bug with inactivity timer

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10363 a83610d8-ad2a-0410-a6ab-fc0612d85776
minor tweak to inactivity timer fix

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@10364 a83610d8-ad2a-0410-a6ab-fc0612d85776