update url path next-l/enju_leaf#266

Conflicts:
	app/controllers/exemplifies_controller.rb
	app/controllers/items_controller.rb
	app/views/agents/_index_manifestation.html.erb
	app/views/creates/_index_agent.html.erb
	app/views/items/index.html.erb
	app/views/manifestations/show.html.erb
	app/views/picture_files/_index_agent.html.erb
	app/views/produces/_index_agent.html.erb
	app/views/produces/_index_manifestation.html.erb
	app/views/realizes/_index_agent.html.erb
	app/views/realizes/_index_expression.html.erb
	spec/controllers/exemplifies_controller_spec.rb