field "faq-tag-vpn" in settings is no longer mandatory
fix "categories chantiers" import table as old database does not have "link" field
add "public static" to methods to get rid of php's warnings
fix regression (main_content) already exist on the page
@version 0.1.16 - @date 2014.07.22
	site:
	. chantiers: affichage des options de publication dans un ul "actions" à la méthode Joomla!