Fix [ bug #742 ]
and translation of constant description
Merge pull request #710 from FHenry/3.3

Fix [ bug #742 ]
Fix [ bug #747 ]
Merge pull request #712 from FHenry/3.3

Fix [ bug #747 ]
Fix: Try a fix for IE9 (need to be tested with IE 8, 7 and 10)
Fix:; Removed warning
Merge branch '3.3' of https://github.com/Dolibarr/dolibarr.git into 3.3
Next step for rewriting menu managers.
Merge branch 'develop' of https://github.com/Dolibarr/dolibarr.git into develop
Merge remote-tracking branch 'origin/3.3' into develop

Conflicts:
	htdocs/comm/propal.php
	htdocs/commande/fiche.php
More explanation onto the php session parameter.
Add table for invoice extrafields
Prepare invoice admin page to add extrafield support
Add admin screen for extrafields on customer invoices
Merge branch 'extra_invoice' into fgd

Conflicts:
	htdocs/install/mysql/migration/3.3.0-3.4.0.sql