added ember simple auth addon
added ember-cli-simple-auth-token
added login route
added UnauthenticatedRouteMixin of simple-auth addon to login route
added simple-auth and simple-auth-token configuration to environment.js
added login controller
added login-controller-mixin of simple-auth to login controller
added ember-cli-bootstrap-sass addon
added custom bootstrap.scss to styles folder
added js and scss configuration for ember-cli-bootstrap-sass
added _variables.scss for global properties
added ember-validations to project
added authenticate route
added authenticated-route-mixin of simple-auth to authenticate route
added application route
added application-route-mixin of simple-auth to application route
deleted authenticate.hbs
added input fields to login template
added i18n support
deleted ember-cli-i18n until ember 1.10