merged shutdown fix from libtorrent_aio

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@8797 a83610d8-ad2a-0410-a6ab-fc0612d85776
move create_torrent documentation into headers. deprecate API touching internal_file_entry

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@8798 a83610d8-ad2a-0410-a6ab-fc0612d85776
merged ssl fix from RC_0_16

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@8801 a83610d8-ad2a-0410-a6ab-fc0612d85776
fix build with internal_file_entry being deprecated without deprecated functions

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@8802 a83610d8-ad2a-0410-a6ab-fc0612d85776
documentation cleanup

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@8804 a83610d8-ad2a-0410-a6ab-fc0612d85776
regenerate html

git-svn-id: https://svn.code.sf.net/p/libtorrent/code/trunk@8805 a83610d8-ad2a-0410-a6ab-fc0612d85776