moving building files and creating number10 page
removing incorrectly named file
adding 1 horse guards and 11 downing st
Move buildings into histories controller

They need to appear at /history/building-name
adding images to 11 downing st and 1 horse guards
removing links
updating class names
Merge pull request #427 from alphagov/building-number-10

Building 10, 11 downing st and 1 horse guards

https://www.pivotaltracker.com/story/show/47518587
https://www.pivotaltracker.com/story/show/47518687