GoogleCalendar: use site threads. Exit rather than returning null when no results are found. Support querying for the default calendar's time zone.
GoogleCalendar: use site threads. Exit rather than returning null when no results are found. Support querying for the default calendar's time zone.

orc-lang/orc,orc-lang/orc,orc-lang/orc,orc-lang/orc,orc-lang/orc