Added static pie chart to the dashboard as a way to start visualizing how the could be displayed.  Also created Category and TransactionCategory.  A UI still needs to be built for adding end editing categories and tagging transactions with them.  Also, Category needs to be tweaked so that it is tied to the user's account.
Converted static data to data driven.  Added new controller for getting dashboard data (json).  Added simple bank / account sidebar display.  Added random categories to demo data.