fix admin reports form
fix locales
fix editing reports
fix new admin/reports
fix admin/events/new
fix users/new functional
fix tests
fix adding event and report
fix adding participants
Merge branch 'feature/edit_report_editing_by_admin' into develop

* feature/edit_report_editing_by_admin:
  fix adding participants
  fix adding event and report
  fix tests
  fix users/new functional
  fix admin/events/new
  fix new admin/reports
  fix editing reports
  fix locales
  fix admin reports form