Process sessions-presenters feed and show in new page.  Adjust GridViews and add twitter avatars.
Group schedule by technology and speakers alphabetically
Add Windows Phone 8 project and create assets from logo.
Add properties to MainViewModel for grouped items on WP platforms.  Update xaml for windows phone project. Add some theming
Add about page & attribution. Improve layout generally. Adjust wide live tile. Settle on calling schedule items presentations.  Refactor code that provides design time support.
Add error handling and events to API project and corresponding handlers in App ViewModels.  Display error message upon data request failure.  Add to app projects snap view message and progress indicators.
Add IsUpdating property to MainViewModel
add async mutex to error condition handler.  Adjust for timeslot change in the schedule.
Update store association and remove binaries from SCM
Merge branch 'dev'