Change logs for kupfer source package in Disco

kupfer (0+v319-3) unstable; urgency=medium

  [ Ondřej Nový ]
  * d/changelog: Remove trailing whitespaces
  * d/control: Remove ancient X-Python3-Version field

  [ Hugo Lefeuvre ]
  * debian/control:
    - Bump Standards-Version to 4.1.5.
    - Depend on debhelper >= 11 instead of >= 10.
    - Update Vcs-* fields for Salsa migration.
  * Bump compat from 10 to 11.
  * debian/copyright:
    - Update copyright years.
    - Use HTTPS protocol in d/copyright urls.

 -- Hugo Lefeuvre <email address hidden>  Tue, 31 Jul 2018 20:22:19 +0800