Merge pull request #857 from noesya/extranet_directory

...ollers/admin/communication/extranets/alumni_controller.rb

...s/admin/communication/extranets/application_controller.rb

...ollers/admin/communication/extranets/assets_controller.rb

...lers/admin/communication/extranets/contacts_controller.rb

...trollers/admin/communication/extranets/jobs_controller.rb

...rollers/admin/communication/extranets/posts_controller.rb

app/controllers/admin/communication/extranets_controller.rb

app/controllers/extranet/style_controller.rb

app/models/communication/extranet.rb

app/models/communication/extranet/connection.rb

app/models/communication/extranet/with_connections.rb

app/models/communication/extranet/with_features.rb

app/models/communication/extranet/with_style.rb

app/models/university/organization.rb

app/services/icon.rb

app/views/admin/communication/extranets/_form.html.erb

app/views/admin/communication/extranets/_sidebar.html.erb

...views/admin/communication/extranets/alumni/index.html.erb

...views/admin/communication/extranets/assets/index.html.erb

...ews/admin/communication/extranets/contacts/index.html.erb