Fix for crash in my concerts map

Fix for my shows in map and for widget preview

Fix for incoming shows countdown

Added Playground section with random setlist and countdowns to upcoming shows.

Updated the "My shows" section with the list of all songs played on concerts marked with "I was there".

Added the "I was there" section; user can set check every concerts he has seen and it will be inserted it in the "My shows" tab. Users can rate a show; average rating will be shown for every concert.

Every user can now insert a rating (1-5) for every single Bruce concert; improved image quality for home screen widget;

Improved latest setlist concert: the widget will highlight the song played as tour premier. New Random setlist widget: you will see a random setlist from 1973 to today Bruce show