1.7.0 sanity checks

Please do sanity checks according to the steps below:

Get the tarball and check it, run tests with rake unittest:backend or rake unittest:backend_db.
Get the deb & rpm packages, place them in the tarball location, run tests with rake system_tests and rake system_tests_ui.
Start demo locally with rake demo:up and follow the steps from the demo wiki: https://gitlab.isc.org/isc-projects/stork/-/wikis/Demo
Install server and agent locally e.g. in VMs from deb & rpm packages

Edited Oct 10, 2022 by Slawek Figiel