Refs #898 Showing Ecommerce orders & Abandoned cart in the Visitor Log, with...

Refs #898 Showing Ecommerce orders & Abandoned cart in the Visitor Log, with detail of the order revenues (tax, shipping, discount, base, total), quantity of items in the cart, and then detail of each item (sku, name, category, price, quantity) + added 2 icons 

git-svn-id: http://dev.piwik.org/svn/trunk@4740 59fd770c-687e-43c8-a1e3-f5a4ff64c105