This patch for ID-808 task

  Added application requests page for testing
Added "Add friends" page
Merge pull request #8 from pmashchak/master

New Site Feed link
Merge branch 'master' of https://github.com/greatdoggy/idnet-example-rails-3 into greatdoggy-master

Conflicts:
	app/assets/javascripts/app_requests.js.coffee
	app/controllers/app_requests_controller.rb
	app/views/layouts/_navigation.html.erb
	config/routes.rb
ID-887 site feeds
  Added:
    * /site_feeds page
    * samples to test new feed request