install: add config and installation instructions for nginx

`./conf/` directory is where configuration files will be stored for server, database, etc.

`./public/` directory is location for the front-end of the application.
static: add HTML5Boilerplate template to play with nginx
static: add images to setup that part on nginx too
static: better nginx configuration with gzip/caching
setup: plug Node.js server (into nginx)
setup: plug in upstart