Add AngularJS
Added minified versions of Angular for us. Better for performance.
Include AngularJS minified code into rails app
Get placeholder Angular controllers and templates working
Use ngmin to pre-minify AngularJS files

Follow ngmin conventions (https://github.com/btford/ngmin)
Display messages receieved from broker & send messages to broker through the UI

Add Angular factory called Communicator to deal with WebSockets
Add Karma for e2e and unit testing
Use scripts to run Karma tests
Move all AngularJS test files into spec folder
Add ng-view to main.html.erb