Google Calendar connectors - improved

Improved version of the Google Calendar connectors containing: - create event (with a returned edit link) - create widget with web content - retrieve event details by edit link - retrieve list of events by date range - delete events by search string - delete event by edit link - update event by edit link

Following jars are required: gdata-calendar-2.0.jar gdata-calendar-meta-2.0.jar gdata-client-1.0.jar gdata-client-meta-1.0.jar gdata-core-1.0.jar google-collect-1.0-rc1.jar sample-util.jar