BigBlueButton Integration v1.1.0

Added

• #57 add support for URL shortener
• #62 create meeting activities
• show access mode in room overview
• show room shared icon in room overview
• add support for Nextcloud 20

Fixed

• #80 clean up after user was deleted
• #73 drop down not clickable
• translate moderator message
• #78 plural translation
• quoted column names in sql query
• unify error handling for room and restriction
• #76 record deletion with scalelight
• #85 set password on room creation

Misc

• add meeting events
• order imports
• update composer dependencies