[libtorrent] libtorrent 1.0.11 released

[Arvid Norberg]

Note that this is *not* from the latest stable branch. This is a point
release of the previous stable 1.0.x branch. The

Fixes since the 1.0.10 release:

* updating super seeding would include the torrent in state_update_alert
* finished non-seed torrents can also be in super-seeding mode
* make torrent_info::is_valid() return false if torrent failed to load
* fix torrent_status time_since_upload/download counters for paused torrents
* fix bug in last-seen-complete
* fix DHT announce stall when adding torrent immediately after startup
* fix bug in enumeration of network interfaces on windows
* fix padfile issue
* fix PMTUd bug
* update puff to fix gzip crash

It's up on github here:

https://github.com/arvidn/libtorrent/releases/tag/libtorrent-1_0_11

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Arvid Norberg