Fix some issues reported by lintian

See merge request !1

Changes-By: lintian-brush
Fixes: lintian: cute-field
See-also: https://lintian.debian.org/tags/cute-field.html

Changes-By: lintian-brush
Fixes: lintian: out-of-date-standards-version
See-also: https://lintian.debian.org/tags/out-of-date-standards-version.html

Changes-By: lintian-brush
Fixes: lintian: vcs-field-mismatch
See-also: https://lintian.debian.org/tags/vcs-field-mismatch.html

Changes-By: lintian-brush
Fixes: lintian: upstream-metadata-file-is-missing
See-also: https://lintian.debian.org/tags/upstream-metadata-file-is-missing.html
Fixes: lintian: upstream-metadata-missing-bug-tracking
See-also: https://lintian.debian.org/tags/upstream-metadata-missing-bug-tracking.html
Fixes: lintian: upstream-metadata-missing-repository
See-also: https://lintian.debian.org/tags/upstream-metadata-missing-repository.html

Changes-By: lintian-brush
Fixes: lintian: tab-in-license-text
See-also: https://lintian.debian.org/tags/tab-in-license-text.html

Changes-By: lintian-brush
Fixes: lintian: trailing-whitespace
See-also: https://lintian.debian.org/tags/trailing-whitespace.html

Mark this as closed; v0.13.8 fixes it in
0ee9799f

This is included in the new upstream

Update to upstream version '0.13.8'
with Debian dir d5e6e6f8d545f94cca1bcaeb5f731b56916f325b

No longer necessary with the move to debhelper compat level 10.

Merge branch 'fix_min_peers_settings' of https://github.com/chros73/libtorrent into chros73-fix_min_peers_settings

Switching to a better RNG for generating strings will prevent the common peerID collisions the rTorrent client has been seeing for YEARS in #440 and #318.

setsockopt(..., IPPROTO_IP, IP_TOS, ...) on IPv6 socket

Merge branch 'display_info_on_failed_tracker_bencode_parse' of https://github.com/chros73/libtorrent into chros73-display_info_on_failed_tracker_bencode_parse