adding and building static history

https://www.pivotaltracker.com/story/show/45251687
adding real content

Link URL's coming soon, so I'm told

https://www.pivotaltracker.com/story/show/45251687
removing traces of jump-link and tidying header-block code

https://www.pivotaltracker.com/story/show/45251687 and
https://www.pivotaltracker.com/story/show/45154863
adding static links to content to so branch can be pushed to preview
updating content and replacing hrs with divs
Adding to commit
updating government buildings image
changing keyline from divs to hrs
optimising images
correcting colour and updating page class
Merge pull request #352 from alphagov/static-history-page

Static history page

https://www.pivotaltracker.com/story/show/45251687