Upgrade JavaScript vendor libraries to latest version.
Make API raise HTTPNotFound when page is not found.

Instead of raising NoResultFound directly, API views will now raise
HTTPNotFound when NoResultFound is raised inside function body.
Existing HTTPNotFound raise now also include the request path in message.
Change post view to raise HTTPNotFound when no posts collection exists.

Invalid query such as /lounge/1/0/ will now raise HTTPNotFound instead of
rendering the actual view.
Revert NFS changes in Vagrantfile.

Turns out NFS breaks changes detection in both Brunch and uWSGI for some
reason. Reverting for the time being.
API documentation and prefix API with versions.