Add backbone assets
Add jquery mobile images
Add initial backbone route for showing the dashboard

* Add 'dashboard' route
* Set devise method for redirecting to dashboard after signin
* Add initial backbone views and jquery mobile integration
* Add 'backbone' method for showing the main template used on dashboard
Add note about setup on Linux/Ubuntu
Fix order of included CSS to allow overriding
Add developer setup for Linux/Ubuntu
Add spacing
Make setup instructions more concrete
Merge upstream/develop
Merge pull request #3 from favrik/develop

Initial backbone setup