Fix: [ bug #1827 ] Tax reports gives incorrect amounts when using external modules that create lines with special codes

Add possibility to use ref_ext to reference contact using webservice, field was present but not saved and not used to fetch object

Since the Poodle vulnerability, SSLv3 has been supersedded by TLS.
Many services do not offer SSLv3 anymore.
CURL has also been patched in PHP so it now auto-negociates the most appropriate protocol.
This prevented most API calls from working.

Fixed: Translation

Conflicts:
	htdocs/langs/en_US/agenda.lang

 Fix: [ bug #1783 ] SQL error when enabling 3rd party module with PostgreSQL and MySQL strict mode ON

Fixed loading of external numeration modules in Contrat, Commande, Facture, Contrat, Expedition, Fichinter, CommandeFournisseur and uniformized code

Fix: [ bug #1801 ] FAC_FORCE_DATE_VALIDATION constant alters supplier invoice date given to numeration modules

withdrawals.

Fix: [ bug #1792 ] Users are not allowed to see margins module index page when no product view permission is enabled

eldy automatically with dolidroid.

service

$soc already filled upper when $socid send

and cost price, or by external module)