Apparently `res.sendfile` is deprecated.
Dependency: express 4.9.6.
Dependency: express-handlebars 1.1.0.
Dependency: on-finished 2.1.0
Dependency: morgan 1.3.2
Dependency: newrelic 1.11.5
Remove response-time.

Morgan already logs response times to the console during development, so this
was redundant.
This is no longer used.
:lipstick:
RawGit now loads assets from its own CDN. :rocket: