[IMP] product_historical_margin: added a few cols to margin report (lp:c2c-addons/6.1  rev 28.3.14)
[IMP] product_historical_margin: added a few cols to margin report
(lp:c2c-addons/6.1  rev 28.3.14)

VitalPet/margin-analysis,bmya/margin-analysis,acsone/margin-analysis,Endika/margin-analysis,Antiun/margin-analysis