Added express

Created simple server on port 3000
Added vash view engine and index page.
Added bower for client side dependencies and create static route in express. Created test.html static page to test this.
Added vash layout.
Added angular app and partial.
Added Mongo connection a pre-seed test data when app started.
added docs and used environment variables instead of hard coded connection strings.
added ability to use environment variable to configure port to listen on.