add endTime property, automatically calculated from StartTime + Duration
add endTime property, automatically calculated from StartTime + Duration

zdw/xos,jermowery/xos,jermowery/xos,wathsalav/xos,wathsalav/xos,cboling/xos,zdw/xos,wathsalav/xos,xmaruto/mcord,wathsalav/xos,open-cloud/xos,open-cloud/xos,cboling/xos,open-cloud/xos,opencord/xos,zdw/xos,cboling/xos,opencord/xos,xmaruto/mcord,jermowery/xos,xmaruto/mcord,cboling/xos,jermowery/xos,opencord/xos,xmaruto/mcord,zdw/xos,cboling/xos