OO-2955: add an additional supervisor notification date field in roll call, implements some REST methods to retrieve and manipulate this data

OO-2636: implement adaptation of absence if the number of lectures changed, make dedicated close / cancel method in service, implement disable state for auto completer, replace the last step of the wizard, check effective number of lectures agains cancelled status...

OO-2636: better support of cancellation of lecture block , add toggle switch to see own blocks or all

OO-2636: add print view in different places, add location and teachers in the table for teachers, implement "absence are default authorized"...

OO-2636: database setup, overview list of participants with statistics and custom attendance rate editor

OO-2636: implements reason, summary and configuration in module, configuration for repository entries...