bittorrent 6.x-9.2-alpha6

#507560: Declare announce (scrape) URL as menu items (configurable by admin) or use announce.php (with bootstrap loading) by overall: Declare announce (scrape) URL as menu items (configurable by admin) or use announce.php (with bootstrap loading), so copying of "announce.php" and "scrape.php" is unnecessary now [feature]
#513200: Show user ratio, uploaded, downloaded and other on the user profile by overall: Show user uploaded, downloaded, ratio, last activity on the user profile [feature]
#512182: Automatically remove passkey values from announce URLs in uploaded torrent file (admin option) by overall: Remove passkey from announce URL: none, at upload, at download (configurable by admin) [feature]
#510902: Add option for admin to choose between to use or not to use some workarounds. by overall: Add option for admin to choose between to use or not to use some workarounds [feature]
#510788: Do not allow to upload torrents if torrents with same info_hash already exists. by overall: Do not allow to upload torrents if torrents with same info_hash already exists [feature]
#510722: Add admin setting to limit "numwant" request param by overall: Add admin setting to limit "numwant" request param [feature]
#510720: Set torrent details page URL as comment in torrent-file by overall: Set torrent details page URL as comment in torrent-file [feature]
#510718: Use Token to compose torrent-file name by overall: Use Token to compose torrent-file name [feature]
#508238: IPV6 is not working by overall: do not pack (send as binary) peers, if any peer is IPv6 [bug fix]
by overall: Store additional info about torrent (nid, type_name, field_name, delta, vid, uid, ...) in new "custom_data" field [feature]
by overall: "TorrentField returns again!" [feature]
by overall: Update torrents table within torrent-field [bug fix]
by overall: Show torrents all peers using view (configurable by admin) [feature]
by overall: Add default view to use as "torrents all peers" view [feature]
by overall: Show "Torrents all peers" using AHAH [feature]
by overall: Show seeders, leechers, snatches and downloads count on torrent-field [feature]
by overall: One passkey for one IP only at the same time (configurable by admin) [feature]
by overall: "Download" link renamed and now with nice image [feature]
by overall: admin option to choose: to pack peers or not to pack [feature]
by overall: bt_format_ratio(), torrent_compose_client_name_by_str() - to use in (default) views

Minor:
#508606: Missing Key: info_hash on announce with bittorrent-4.2.2 by overall: Replace question marks with ampersands in a query string (admin option) [workaround]
by overall: move "workaround" settings to "announcing" group
by overall: "peer_id" in views support
by overall: ability to use "peer_key" as argument in views
by overall: make images common for all submodules
by overall: make bittorrent views styles common for all submodules
by overall: add some t() calls
by overall: show info about which bittorrent fileds on user profile are private (visible only by profile owner)
by overall: rearrange some fields on admin pages
by overall: info about arguments that special views should support
by overall: do not show special bittorrent info on node preview except file tree and description
by overall: remove nodes_and_views_examples.txt
by overall: show message to user only if passkey is changed, but not generated for first time [bug fix]
by overall: some typos fixed
by overall: advanced "bittorrent_log" function