Merge pull request #47 from PrzemekSzyszka/windows_phone

URBNG-345 Apply UI changes to GamesListView, URBNG-346 Apply UI changes to GameDetailsPreView, URBNG-339 Join to one game causes join to all games from nearby list
Merge pull request #52 from PrzemekSzyszka/windows_phone

Build project fix
Deleted overlooked fields from DatabaseTest and GamesListViewModelTest