Have Rails serve up static files

Normally we do this with Apache or nginx, but for our demo purposes
we'll just serve it from Rails.
Include ngannotate for angular minification

This makes Angular minifications safe
Update seed.rb to work with Ruby 1.9.3 for CF

CloudFoundry doesn't support Ruby 2.1.2, so I just changed back to the
default 1.9.3 syntax.
Merge pull request #9 from amaltson/cloudfoundry-deploy

Cloudfoundry deploy