fix some repository access

Gemfile

app/assets/javascripts/application/accessibility.js

app/assets/javascripts/application/collections.coffee

app/assets/javascripts/application/learning_objects.coffee

app/assets/javascripts/application/navigation-content.js

app/assets/javascripts/application/search.js

app/assets/stylesheets/application.scss

app/assets/stylesheets/application/collections.scss

app/assets/stylesheets/application/learning_objects.scss

app/assets/stylesheets/application/welcome.scss

app/builders/collection_builder.rb

app/builders/learning_object_builder.rb

app/controllers/application_controller.rb

app/controllers/collections_controller.rb

app/controllers/learning_objects_controller.rb

app/controllers/management/users_controller.rb

app/controllers/search_controller.rb

app/models/collection.rb

app/models/collections/context.rb

app/models/collections/public_context.rb