Merge pull request #20 from Maxikq/windows_phone

URBNG-298 - [WP] Create database structure for tasks, URBNG-300 - [WP] Provide list of tasks in mock-up gameWebService
Merge pull request #41 from Maxikq/windows_phone

URBNG-320 - [WP] Implement mock-up database (UnitOfWork, Repository, Database), URBNG-321, URBNG-322, URBNG-317
URBNG-337[WP]Application crashes when entering first page with appbar
RC=WP7 runtime does not allow to invoke private members using reflection
fix=provided caliburn's dll with BindAppbar method changed to public
cosmetic fixes in game list - proper user game list refreshing and one change in game template
Merge pull request #45 from adamwalocha/windows_phone

URBNG-337[WP]Application crashes when entering first page with appbar
URBNG-148 - [WP] Send choices for verification
partially finished - done: mock implementation of solution status changing