Drop openvpn-needed legacy
Use local template instead download a new one.
[slapos.collect] Include tests for slapos.collect

  Initiall tests for Snapshot and Entity
[slapos.collect] Include test for Database API
[slapos.collect] Minor cleanups and cosmetic changes.
[slapos.collect] Introduce getTableList on database
[slapos.collect] Include tests for CSV Reports