Added basic elements for the client-side

Global configures the database, Ref lookups, etc
Application contains basic routes for the homepage, lookups for Angular.js partial templates, and a default route for where client-routes might not be specified on the server
main.js is provided for require.js. It triggers Angular.js on completion
main.scala.html is the HTML file to deliver containing Angular.js and the initial template
includeDirectives.scala.html sits empty as we have not yet written any Angular.js directives
routes contains basic server-side routes