Improve logic about finding and matching new updates.
Improve logic about finding and matching new updates.

The old messages were not very clear about what "found new updates"
really meant. Now they are more specific.

Signed-off-by: Patrick Vacek <a38520cbbe2e974bc8b7ea86877dd3c7115ca2d7@gmail.com>

advancedtelematic/aktualizr,advancedtelematic/aktualizr,advancedtelematic/aktualizr,advancedtelematic/aktualizr