HTML default URL

Should be redefined in clients.

Property definitions

nitc :: html_model $ Person :: html_url
	# HTML default URL
	#
	# Should be redefined in clients.
	fun html_url: String do return "person_{html_id}.html"
src/doc/templates/html_model.nit:361,2--364,55

nitc :: static_html $ Person :: html_url
	redef var html_url = "person_{html_id}.html" is lazy
src/doc/static/static_html.nit:411,2--53