fix deps & education teachers

...rollers/admin/education/program/application_controller.rb

...ontrollers/admin/education/program/teachers_controller.rb

app/controllers/admin/education/teachers_controller.rb

app/models/communication/website.rb

app/models/communication/website/category.rb

app/models/communication/website/page.rb

app/models/education/program.rb

app/services/git/repository.rb

app/views/admin/education/program/teachers/_form.html.erb

app/views/admin/education/program/teachers/edit.html.erb

app/views/admin/education/program/teachers/new.html.erb

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

app/views/admin/education/teachers/_list.html.erb

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

config/locales/education/en.yml

config/locales/education/fr.yml

config/routes/admin/education.rb