Including all solved histories of first sprint and a beautifull dashboard view
Merge remote-tracking branch 'origin/valentina'

Conflicts:
	Gemfile.lock
	app/views/layouts/application.html.haml
	config/database.yml
	config/routes.rb
updating application layout

Signed-off-by: Juliana Davila <judaro13@gmail.com>
showing if user have last_change to get a course

Signed-off-by: Juliana Davila <judaro13@gmail.com>