Update copy for page to match prototype
Update copy for MHRA email alerts

Make the copy for this page match the prototype.
Update view and stylesheets to match prototype

MHRA email alerts needs to look like the prototype. Re-arrange the HTML, remove a lot of unused divs, slimline the CSS and update how the page looks.
Fix failing tests for new email signup copy
Merge pull request #1853 from alphagov/make-interstitial-like-prototype

Make interstitial like prototype
Add change_history to case study API presenter.

This creates some duplication since the top change note within the
change_history hash will be the same as the existing change_note
attribute. However, the latter is already being used by the email alerts
service; it would probably be good to change that app to use
change_history instead.
Don't send live sector tags out to Rummager.

It's OK for us to send these into the content store
as it's impossible to subscribe to a draft tag and
in the future the draft tags will be stripped by
the content store once they're moved to the `links`
hash.
Merge pull request #1858 from alphagov/dont-send-draft-tags-out-of-whitehall

Don't send draft sector tags out to Rummager.
Managing Editor permissions for featured links

Allows Managing Editors to add and edit featured links on and
organisation homepage, when they are a member of that organisation or a
parent organisation.
Timeout of 10s for PDF thumbnail generation

www.agileplannerapp.com/boards/173808/cards/8160
fixes: https://govuk.zendesk.com/tickets/868919

we show the fallback pdf thumbnail image, instead
of a generated one if the thumbnail generation
takes longer than 10s.

better to process and upload without a thumbnail,
than to diasllow it.
Merge pull request #1860 from alphagov/permission-control-featured-links

Managing Editor permissions for managing featured links
Merge pull request #1843 from alphagov/timeout-for-pdf-thumbnail-generation

Timeout of 10s for PDF thumbnail generation
Merge pull request #1857 from alphagov/document_history

Add change_history to case study API presenter.
Merge pull request #1856 from alphagov/remove-international-delegations-from-embassy-finder

Remove international delegations from embassy finder