Added calendar Property to GlobalizeCulture

The calendar Property is used to get and set the default calendar. See
https://github.com/jquery/globalize/tree/79ae658b842f75f58199d6e9074e01f7ce207468#defining-culture-information
and

https://github.com/jquery/globalize/blob/79ae658b842f75f58199d6e9074e01f7ce207468/lib/globalize.js#L263

globalize/globalize.d.ts

@@ -91,6 +91,7 @@ interface GlobalizeCulture {
     isRTL: boolean;
     language: string;
     numberFormat: GlobalizeNumberFormat;
+    calendar: GlobalizeCalendar;
     calendars: GlobalizeCalendars;
     messages: any;
 }