Data migration to change detailed guide slugs

We remove them from the search index based on the original slug before
updating the slug and re-indexing.
Merge pull request #1618 from alphagov/guidance-slug-changes

Data migration to change detailed guide slugs
Fix spelling mistake for South American Spanish Contact Us

- Fixed the spelling of the Contact Us sub heading for the South American Spanish locales
- Relates to https://govuk.zendesk.com/agent/#/tickets/789073
Fix find-in-admin bookmarklet

The generated URLs are not including the admin path prefix.
Merge pull request #1619 from alphagov/fix-spanish-contact-us-spelling

Fix spelling mistake for South American Spanish Contact Us
Merge pull request #1620 from alphagov/fix-bookmarklet

Fix find-in-admin bookmarklet
Fix bookmarklet for stats announcements and collections

This addition allows the bookmarklet to find Statistics Announcements and Document Collections
Title rendered as a required field
Rework rake tasks for overdue editions

Tweaks the rake task for listing overdue editions and adds one to
publish those that are overdue. The main change is that we only include
those that are more than one minute overdue, which gives enough of a
buffer for the workers to complete their work before something is
considered overdue.
ScheduledPublishingWorker ignores published editions

If the edition has already been published, there is little point in
failing with an exception, which forces a retry.
Merge pull request #1627 from alphagov/scheduled-publishing-tweaks

Scheduled publishing tweaks
Merge pull request #1621 from alphagov/fix-bookmarklet-statistics-announcements-collections

Fix bookmarklet for stats announcements and collections
Merge pull request #1624 from alphagov/title-field-required

Title rendered as a required field