validated by error.

Conflicts:
	htdocs/compta/facture/class/facture.class.php
	htdocs/societe/soc.php

duplicate code

Fix verify of elephant code model for services

Fix: explode array result is 0,1,2 and not 1,2,3

Fix entity thirdparty files links

Fix: avoid numeric errors

Fix: Invalid variable. Shoud be $object

fix : wrong $formproject->select_projects call on model invoice