* Packager: easier to parse debug messages (#8083)
* Add new version to logging
* Add easier to search logging
* shorten appended string
* make migrations that run on fresh installs easier to read
(cherry picked from commit 3d9db2543db181f263db69746a91a7877ff00f9e)
# Conflicts:
# contrib/packager.io/functions.sh
# contrib/packager.io/preinstall.sh
* Update contributing.md