Make metadata simple, clearer and less flappy.

 - Remove flappy js info box.
 - Add published and conditional last updated info.
 - Anchor history at bottom of page to metadata at top of page.
 - Expand history when 'see all updates' anchor link is clicked.
Fix ordering of change note translation keys
Merge pull request #1737 from alphagov/publication_page_history

Make publication metadata simpler, clearer and less flappy.
Replace William Hague with Philip Hammond as current foreign secretary
Merge pull request #1739 from alphagov/replace-william-hague

Replace William Hague with Philip Hammond as current foreign secretary
Modify organisation_state in search index for closed and devolved organisations
We want to hide the [closed organisation] text in search results for organisations marked as closed and devolved. In order to so, we return "devolved" if an organisation is closed and devolved.
Merge pull request #1738 from alphagov/closed-devolved-search-index

Modify organisation_state in search index for closed and devolved organisations