Autofocus first fields on signup and login pages
Integrated ember-simple-auth with login controller
Protected route and template that is accessible only if user is authenticated
The username input value changed to identification to make it work with ember-simple-auth
Check if authenticated and display Logout instead of Login/Create Account when user is signed in. Also added protected view link to navbar.
Application route as per requirement of ember-simple-auth
HTML tidy up
Added logout and protected routes
Updated signup controller
Swapped ember-auth for ember-simple-auth
Renamed textfield view
POST /token endpoint for ember-simple-auth. Added crypto module to generate random token. Also bcrypt for salting the password.
Updated version
Merge remote-tracking branch 'origin/master'

* origin/master:
  Removed sign in and create account options until further notice.

Conflicts:
	app.js
	public/index.html
	public/javascripts/config/routes.js
	public/javascripts/controllers/login_controller.js
	public/javascripts/controllers/signup_controller.js
	public/javascripts/routes/application_route.js
	public/javascripts/templates/application.hbs
	public/javascripts/templates/login.hbs
	public/javascripts/templates/signup.hbs