creating fco foreign secs page and adding content

https://www.pivotaltracker.com/story/show/46252633
updating naming
moving history files to new folder and adding pages and content
removing history page from home folder
tidying content adding responsiveness
coding entities for consistency
tweaks after browser testing
renaming files to index and show
More railsesque routes
Ensure history pages have nav selected
Merge pull request #410 from alphagov/FCO-history-people

Fco history people

https://www.pivotaltracker.com/story/show/46252633