Merge remote-tracking branch 'origin/3.6' into 3.7

Conflicts:
	htdocs/compta/prelevement/class/rejetprelevement.class.php
	htdocs/compta/sociales/class/paymentsocialcontribution.class.php
	htdocs/contact/exportimport.php
	htdocs/contact/ldap.php
	htdocs/contact/perso.php
	htdocs/contact/vcard.php
	htdocs/core/class/commonobject.class.php
	htdocs/product/reassort.php
	htdocs/projet/liste.php
	htdocs/societe/consumption.php
	htdocs/societe/info.php