Add `node-dev` dependency
Upgrade `streamline` from `0.8.0` to `0.10.16`
Use `npm start` for `./zh run`
Replace `~` with `^` for npm dependencies
Use default `express` logger format in production
:abc:-ize `require`
Replace `streamline-express` with `express-streamline`
Extract `handleURL` from `app.locals`

`app.locals` are only needed for views. In this case, a simple
function suffices.
Reduce line length to below 80
Fix indentation
Prefer idiomatic `is` over `==`
Use `sudo` to update Upstart script
Bump `coffee-script` from version 1.6.3 to 1.8.0
Bump `deepzoomtools` from version 0.0.4 to 0.0.5
Start Redis before web service
Fix `redis-server` path
Pin latest Node.js version

See: http://www.ubuntuupdates.org/ppa/chris_lea_nodejs
Pin latest Redis version

See: https://launchpad.net/~chris-lea/+archive/ubuntu/redis-server
Change Redis log file
Fix Redis database directory