Changed name used to reference the mailing list index page.
Updated title text for mailing lists index page.
Updated tests to reflect latest code changes.
Renamed query string parameters

Renamed the parameters passed in the query string when seaching for
specific records:

    location -> name (it now maps directly to the Location field)
    names -> format
    tags -> tag (all the other parmaters are singular)
Item in main menu is highlighted when page is displayed.