Property definitions

nitc :: nitpackage $ MPackage :: _git_url
	private var git_url: nullable String is lazy do
		var git = git_exec("git remote get-url origin")
		if git == null then return null
		git = git.replace("git@github.com:", "https://github.com/")
		git = git.replace("git@gitlab.com:", "https://gitlab.com/")
		return git
	end
src/nitpackage.nit:180,2--186,4