refs 6116 Agent merged

Conflicts:
	app/controllers/manifestations_controller.rb
	app/controllers/orders_controller.rb
	app/controllers/patron_relationships_controller.rb
	app/controllers/patrons_controller.rb
	app/controllers/series_statements_controller.rb
	app/controllers/users_controller.rb
	app/helpers/patrons_helper.rb
	app/models/ability.rb
	app/models/agent.rb
	app/models/item.rb
	app/models/keycode.rb
	app/models/manifestation.rb
	app/models/order.rb
	app/models/patron_relationship.rb
	app/views/approvals/_form.html.erb
	app/views/manifestations/_form.html.erb
	app/views/orders/_form.html.erb
	app/views/orders/show.html.erb
	app/views/page/configuration.html.erb
	app/views/patron_relationships/_form.html.erb
	app/views/patrons/_form.html.erb
	app/views/patrons/_index.html.erb
	app/views/patrons/_index_expression.html.erb
	app/views/patrons/_index_manifestation.html.erb
	app/views/patrons/_index_patron.html.erb
	app/views/patrons/_index_patron_merge_list.html.erb
	app/views/patrons/_index_work.html.erb
	app/views/patrons/_patron_list.html.erb
	app/views/patrons/_relationship_type_facet.html.erb
	app/views/patrons/_show_list.html.erb
	app/views/users/_all_facet.html.erb
	config/locales/translation_en.yml
	config/locales/translation_ja.yml
	config/routes.rb
	db/fixtures/agents.yml
	db/fixtures/patron_relationship_types.yml
	db/fixtures/system_configurations.yml
	spec/models/function_class_ability_spec.rb
	spec/requests/function_class_abilities_spec.rb
refs 6116 Manifestation の各種識別子対応

manifestations.identifierおよびmanifestations.manifestation_identifierの
登録・表示処理の見直し。
→残：
　identifiersの登録・表示処理の見直し