Fix: missing llx_const encryption

Fix: avoid error during update if db port not defined

Fix : remove viewport for mobile device already declared

FIX there is no way to hide or change qty by hook

of event option is used).

Conflicts:
	htdocs/filefunc.inc.php
	htdocs/theme/md_exp/style.css.php

PDF.

[Qual] Cleanup of inherited class properties

3.8 bad filtering caused by statut filter #3580

FIX #3599 Not saving legal form

project (opportunity) even when thirdparty does not exists yet, so we
must provide a solution for this. 

Fix centering on login page

correction ported on 3.8 too, sorry for the bad step process

FIX: order ref must not be translated

[Qual] Replaced deprecated form_confirm()

[Qual] Replaced deprecated displayMarginInfos()