Change logs for tint2 source package in Groovy

tint2 (16.7-1) unstable; urgency=medium

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

  [ Sebastian Reichel ]
  * New upstream release
  * Bump Debian compat version to 12
  * Update Debian Standards Version to 4.4.0

 -- Sebastian Reichel <email address hidden>  Sun, 15 Sep 2019 01:16:43 +0200