New conversion value : Oz once
Little az a wizzard...

Fix SPEC #7013 : use database type "numeric" to store monetary values

Fix: missing _cleanObjectDatas function

Fix: error when the project module not enabled

NEW log download or preview event on a validate bill

Make accounting module compatible with the new vat code to identify 2
vat code with same rate.

Make accounting module compatible with the new vat code to identify 2
vat code with same rate.

Conflicts:
	htdocs/user/index.php