livestreamer: 1.7.3-1~getdeb1

  * New upstream version
    Plugins:
     - Added plugin for hitbox.tv, patch by t0mm0. (#248)
     - Added plugin for Cruncyroll, patch by Agustín Carrasco. (#262)
     - twitch: Added support for hours in ?t=... on VODs.
     - twitch: Added support for ?t=... on VOD highlights.

    Streams:
     - hls: Now allows retries on failed segment fetch.

    Bug fixes:
     - cli: Don't pass our proxy settings to the player. (#260)
     - hds: Now uses global height as stream name if needed when parsing
     manifests.
     - hls: Always use first stream for each quality in variant playlists.
     (#256)
     - hls: Now returns correct exception on playlist parser errors.
     - hls: Now remembers cookies set by variant playlist response. (#258)