Merge pull request #1235 from noesya/events

...n/communication/websites/agenda/application_controller.rb

.../admin/communication/websites/agenda/events_controller.rb

app/controllers/admin/communication/websites_controller.rb

app/models/ability/admin.rb

app/models/ability/contributor.rb

app/models/ability/program_manager.rb

app/models/ability/website_manager.rb

app/models/communication/website.rb

app/models/communication/website/agenda.rb

app/models/communication/website/agenda/event.rb

app/models/communication/website/configs/base.rb

...models/communication/website/configs/default_languages.rb

...odels/communication/website/configs/default_permalinks.rb

...odels/communication/website/configs/development_config.rb

...models/communication/website/configs/production_config.rb

...models/communication/website/page/communication_agenda.rb

app/models/communication/website/page/with_type.rb

app/models/communication/website/permalink.rb

app/models/communication/website/permalink/agenda/event.rb

app/models/communication/website/with_associated_objects.rb