Add of function smack_remove_label_for_path

Change-Id: I11ad508d45e527085618c6572ff4072e924bba34
Signed-off-by: José Bollo <jose.bollo@open.eurogiciel.org>
Add options to remove labels and follow links

Change-Id: I66326ef94e8d47acda663581c807dc42778e1a7a
Signed-off-by: José Bollo <jose.bollo@open.eurogiciel.org>