Top-10 authors, works, and passages for reuse

[jonathanwestin]

When first clicking on the reuse module, without yet having made a search, it would benefit the user to see a generated list of top authors, works and passages (10 for each ranked from most to least) in the reuse module.

[siskahumlesjo]

David will extract the data. Kristin will implement the lists.

[kikkipedia]

Logic is done, but need some css styling