Productionalization changes to BandsAround

-MusicPageBackground and an icon for about menu item added to assets
-Copyright info added to source files
-Versionnumber now 1.1
-Removed unnecessary capabilities
-AboutPage added
-Transition between main page and about page
-Application  Title now shows correct app name
-Application Bar added
-App title and app bar made transparent
-Map fills the entire screen
-Progress Indicator shows when request is ongoing
-App no longer crashes when location setting is set off
-Artist pushpins are dynamically updated after a map manipulation (drag,
flick)