btfs-2.24-bp156.4.2

- Build against boost 1.75 on Leap 15 to match the one used by
  libtorrent-rasterbar (code-o-o#leap/features/issue/155)

- 2.24
  * use XDG_DATA_HOME if defined

- 2.23
  * Add --utp-only flag to disable TCP

- Fix build with libtorrent v2.
- Spec cleanup

- 2.22
  * bug fixes

- Remove obsolete Groups tag (fate#326485)

- 2.20
  * btplay: Change shebang to python3

- Modernize spec file
- 2.19
  * Add option to set data directory

- 2.18
  * Force DHT announce when bootstrap completes
  * Don't set file priority to 0 at start
  * Fix delete-on-unmount
  * Remove unneeded debug prints
  * Fix a potential null pointer deref
  * Silence warning on libtorrent 1.2

- 2.17
  * Adjust to libtorrent 1.2 API changes
    + Session flags changed type.
    + Remove flags changed type.
  * Silence warning about deprecated flags in libtorrent 1.2
  * Tweak configure.ac
  * Handle read_piece_alert errors
    + Fixes segfault, upstream bug #42
  * Set request timeout

- 2.16
  * Implement listxattr and getxattr
  * Return IS_BTFS xattr on all files and directories
  * Add btfsstat program

- 2.15
  * Adjust to libtorrent 1.2 API changes
    + Alert notification categories changed type
    + torrent_handle::status() parameter changed type
  * Set correct block usage
    (so tools like "du" report correct disk usage)
  * Implement statfs callback
    (so tools like "df" report torrent size and download progress)

- 2.14
  * Adjust to libtorrent API changes (add_dht_router deprecated)
  * Make it build with libtorrent 1.2 (drops support for 0.16)

- Initial commit, 2.13