add page_name element to edit_page and set right css class to tags_chosen element
the rubocop code review merged externally removed some valid code.
test suite to page-tags associations
Merge pull request #54 from moneyadviceservice/tagging

Tagging Test Suite
restore admin menu option
Merge pull request #56 from moneyadviceservice/admin-option

restore admin menu option
Integrate options menu into Save page options