imported the theme and basic features from http://demo.vaadin.com/dashboard
cleaned up the code and fixed some import problems
improved the dashboard. Need to improve the coding style to make it more re-usable
Added button selection UI details
restructured the source
Added the navigation to the dashbord. But the exit button is broken
navigation seems to be working fine
basic features of the dashboard seems to be complete now. Coding refactored for easier extensibility
Used a LinkedHashMap to preserve the ordering of adding buttons to the sidebar
checked the layout settings
rectified the button not marked as selected bug. resolves #13
Found a better way to manage the redirections. resolve #12
Basic dashboard template complete. resolves #10