[tests/checkintegrity] use the new connection api
* serverctl: the db-check command also uses an internal connection
object, which makes more sense in the context of `checkintegrity`.
* checkintegrity: rename srvcnx to just cnx (a bit because in the near
future, there will be one cnx to rule them all)
# -*- coding: utf-8 -*-
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"""%(distname)s views/forms/actions/components for web ui"""