agenda item start time extension, tests ;)
testing of core library.
publish correct start time if agenda item selected.
duration on meeting not nullable, dummy start topic for "get ready for meeting", start meeting now added to bottombar, separation of command and button.
times in meeting state tries to move to the next item, settings addedbut does not work.
meeting now moves forward automatically.
Merge branch 'feature/meeting_interaction_with_duration_(planned_and_real)' into develop