Change logs for gnome-paint source package in Groovy

gnome-paint (0.4.0-7) unstable; urgency=medium

  [ Ondřej Nový ]
  * d/changelog: Remove trailing whitespaces

  [ Boyuan Yang ]
  * Rebuild for Debian Buster.
  * debian/patches: Refresh patches and cherry-pick upstream fixes
    till 20171102.
  * debian/watch: Removed, useless.
  * debian/control:
    + Bump debhelper compat to v12.
    + Bump Standards-Version to 4.3.0.
    + Use Rules-Requires-Root: no.
  * debian/menu: Removed per tech-ctte's decision.

 -- Boyuan Yang <email address hidden>  Tue, 26 Feb 2019 14:12:17 -0500