Fix: Bad vars
Fix: remove duplicate code
Fixed: [ bug #1578 ] Cannot create proposal by copy of another one
Merge branch '3.7' of git@github.com:Dolibarr/dolibarr.git into 3.7
Fix: W3C. form into table is forbidden. This makes some browsers crazy.
Try to solve warning.
Fixed: ref supplier was visible with label Ref customer.
Fix: Missing translation
Merge remote-tracking branch 'origin/3.7' into develop

Conflicts:
	htdocs/admin/security_other.php
	htdocs/langs/en_US/admin.lang