wip school roles

...trollers/admin/education/school/role/people_controller.rb

app/controllers/admin/education/school/roles_controller.rb

app/controllers/admin/education/schools_controller.rb

app/models/ability.rb

app/models/education/school.rb

app/models/university/person/involvement.rb

app/models/university/role.rb

app/views/admin/education/school/role/people/_form.html.erb

app/views/admin/education/school/role/people/_list.html.erb

app/views/admin/education/school/role/people/edit.html.erb

app/views/admin/education/school/role/people/new.html.erb

app/views/admin/education/school/roles/_form.html.erb

app/views/admin/education/school/roles/_list.html.erb

app/views/admin/education/school/roles/edit.html.erb

app/views/admin/education/school/roles/index.html.erb

app/views/admin/education/school/roles/new.html.erb

app/views/admin/education/school/roles/show.html.erb

app/views/admin/education/schools/show.html.erb

config/locales/university/en.yml

config/locales/university/fr.yml