Refactored: top3 function is now "recent". It accepts a number arg specifying how many posts to return
Added a separate posts.jade. Hoping to use this to modularize the displaying and paging of posts
Fixed bug: Posts will now get a unique timestamp upon creation
Index route now supplies a pager object with additional rendering details to the template
Update the pager templates to use the new pager object supplied
Fixed typos: Chaged "Article" to "Post"
Changed signature of "Posts#recent": Now accepts argument for number of documents to skip (to allow for pagination
Updated index route to accept post page to fetch as a query param. Now supports pagination