Followup to 89f26b9340f13d5194baefcbe11f01ddf504fafc

- Cosmetic clean-up of "_" search string
- index CGI uses the new parameter q= instead of crit=
DNS views, part 19 (1 of 1)

Issue #26
User interface: mail relays (in admin menu)

This commit provides:
- mail relay modification for a domain and a view

Changes:
- add view menu in domain selection page
- add idview parameter to check-mx-target and
    check-domain-relay library functions