Show force published stats
Admin Filter by type and subtype using chosen

Also using display type as we have finer filtering control

Admin filter by date using chronic

Limit force published list to 5 documents and fix title

Add test for date filter and article subtype
Merge pull request #768 from alphagov/53339299-speed-up-spot-checking

speed up spot checking

https://www.pivotaltracker.com/story/show/53339299
https://www.pivotaltracker.com/story/show/51968687