1.1.14 release
- support building with new boost version
- add handling on invalid piece index to torrent_handle::have_piece()
- fix error in treatment of move_storage() flags
- fix division by zero in anti-leech choker
- fix chunked http header validation
- fix use-after-free in SSL shutdown
- fix possible leak entry when assigning from bdecode_node or lazy_entry
- fix error handling of moving storage to a drive letter that isn't mounted
- fix bug in python binding parsing file_priorities from add_torrent_params
- fix target hostname in http connections using http proxy