Merge pull request #159 from amikheychik/master

Get list of products without theming
Subcategories handling added
Merge branch 'master' of github.com:xtuple/xdruple_commerce
Perform UOM price conversion when there is no session set.
Merge branch 'master' of github.com:bendiy/xdruple_commerce
cleanup
Merge pull request #160 from bendiy/master

Perform UOM price conversion when there is no session set.
Extract load of line item price for a customer
Cache-only flag added
Loading products' prices asynchornous