[WIP] Warn when an old package is selected to install#878

Draft

lslezak wants to merge 6 commits intoyast:SLE-15-SP1from lslezak:old_packages

+423

Commits on Jul 27, 2020

Display a warning for old packages
lslezak
committed

Commits on Jul 28, 2020

Commits on Aug 4, 2020