SOS-1892 Fix classNameId for user groups
SOS-1892 Use localservice instead, calendarbooking search will take care of permissions of events
SOS-1892 Dont display events that user doesn't have view_event_details permission.  CalendarBookingServiceImpl will set the title to blank.
SOS-1892 Add groupId as part of the search
SOS-1892 Simplify