creating bdd fields for event_agenda_drop and event_agenda_correction
Correct beug was in edition of dropzone,
when adding date a line was commented souldn't be
Adding the on delete set null to avoid delete errors
Adding event in agenda + update and delete
need tests
Adding persist cascade on Dropzone entity
Adding translation and description on Agenda events.
Correcting beug
correct Delete bug on Agenda Event
Merge pull request #94 from iCAPLyon1/link_dates_in_agenda

Link automatic dates in agenda