*removed dependancy to account_budget (replaced to account) and removed budget_id field (not used and not compliant with use of budgets) *improved facility of inheritance bzr revid: qdp@tinyerp.com-20081128130947-qd0gxnl3ofxbpa1e
*small bugfix bzr revid: qdp-launchpad@tinyerp.com-20081028162945-hk81vldgjt0y0cq3