Added CSS files.
Merge branch 'dev' of github.com:solymosi/apro into dev

Conflicts:
	app/assets/javascripts/application.js
	app/assets/stylesheets/application.css.scss
	app/assets/stylesheets/offers.css.scss
	app/models/course.rb
	app/models/user.rb
	app/views/layouts/application.html.erb