Fix: [ bug #1070 ] Accountancy code not displayed just after set

Conflicts:
	htdocs/product/fiche.php
Try to fix bug [ bug #1072 ] Wrong DOL_URL_ROOT value calculated

Conflicts:
	htdocs/filefunc.inc.php
Fix: [ bug #1077 ] Project card does not update vinculated third when
modified upon refresh
Merge branch '3.4' of https://github.com/Dolibarr/dolibarr.git into 3.4