Adjusted time formatting for the played summary view
Moved all the views to a Views folder
TargetDate set has been tested
Refactored the set methods for PlayedTimesSummary
Fixed nullvisibility converters name
Fixed bug: now When_two_OpenPlayedTimesSummaryMsg_are_received_only_the_time_list_items_for_the_last_one_are_displayed

Before: time list items where incorrectly added to the list.