Fix error in triggers process

If methode create_from_contact is called; In process this method containt call create methode, but trigger by action USER_CREATE is called twice. 
the call to the create method should not trigger triggers

same for the create_from_members method

htdocs/user/class/user.class.php

@@ -1298,7 +1298,7 @@ public function create_from_contact($contact, $login = '', $password = '')
 		$this->db->begin();
 
 		// Cree et positionne $this->id
-		$result=$this->create($user);
+		$result=$this->create($user, 1);
 		if ($result > 0)
 		{
 			$sql = "UPDATE ".MAIN_DB_PREFIX."user";
@@ -1371,7 +1371,7 @@ public function create_from_member($member, $login = '')
 		$this->db->begin();
 
 		// Create and set $this->id
-		$result=$this->create($user);
+		$result=$this->create($user, 1);
 		if ($result > 0)
 		{
 			$newpass=$this->setPassword($user, $this->pass);