alumni redescendu d'un niveau pour gérer correctement le highlight du menu

...controllers/admin/university/alumni/imports_controller.rb

app/controllers/admin/university/alumni_controller.rb

app/models/university/person/with_education.rb

app/services/filters/admin/university/alumni.rb

app/views/admin/university/alumni/_cohort_fields.html.erb

app/views/admin/university/alumni/_list.html.erb

app/views/admin/university/alumni/edit_cohorts.html.erb

app/views/admin/university/alumni/imports/index.html.erb

app/views/admin/university/alumni/imports/new.html.erb

app/views/admin/university/alumni/imports/show.html.erb

app/views/admin/university/alumni/index.html.erb

app/views/admin/university/alumni/new.html.erb

app/views/admin/university/alumni/show.html.erb

config/admin_navigation.rb

config/routes/admin/university.rb