Update schema for meeting series
Update schema for meeting series

The implementation of user roles made it necessary to add a new field to the meeting series collection

4minitz/4minitz,Huggle77/4minitz,RobNeXX/4minitz,4minitz/4minitz,Huggle77/4minitz,RobNeXX/4minitz,Huggle77/4minitz,4minitz/4minitz,RobNeXX/4minitz