Fixed bug that caused the loss of calendarId
Various UI tweaks
Do not catch exception whilst pulling calendar, this will lead to unexpected behaviour.
Refactoring
Added Squirrel.windows dependencies
Handle Squirrel events
Welcome wizard to be implemented
Refactoring
Added repository path configuration
Added update checking "on settings load"
Merge branch 'feature/AutoUpdater' into feature/ExceptionDates

Conflicts:
	Acco.Calendar/GoogleCalendar/GoogleCalendarManager.cs
	Acco.Calendar/OutlookCalendar/OutlookCalendarManager.cs
	Dasi.CalendarSync.Tray/MainWindow.xaml.cs
	Dasi.CalendarSync.Tray/SettingsDialog.xaml.cs